SECURITIES AND EXCHANGE COMMISSION

WASHINGTON DC 20549

FORM 6-K

REPORT OF FOREIGN ISSUER

Pursuant to Rule 13a-16 or 15d-16 of

the Securities Exchange Act of 1934

For the month of May 2007

National Australia Bank Limited

ACN 004 044 937

(Registrant’s Name)

Level 24

500 Bourke Street

MELBOURNE VICTORIA 3000

AUSTRALIA

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F

Form 40-F

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82

“ This Report on Form 6-K shall be deemed to be incorporated by reference in the prospectus included in the Registration Statement on Form F-3 (No. 333-6632) of National Australia Bank Limited and to be part thereof from the date on which this Report, is filed, to the extent not superseded by documents or reports subsequently filed or furnished.”

Appendix 3E

Information and documents given to ASX become ASX’s property and may be made public.

Name of entity		ABN
National Australia Bank Limited		12 004 044 937

We (the entity) give ASX the following information.

Information about buy-back

1	Type of buy-back	On market

2	Date Appendix 3C was given to ASX	3 November 2006

Total of all shares bought back, or in relation to which acceptances have been received, before, and on, previous day

		Before previous day		Previous day

3	Number of shares bought back or if buy-back is an equal access scheme, in relation to which acceptances have been received	16,281,276		473,663

4	Total consideration paid or payable for the shares	$	654,194,084.24	$	20,414,306.90

		Before previous day	Previous day

5	If buy-back is an on-market buy-back	highest price paid: $41.45 date: 23 Feb 07	highest price paid: $43.30

		lowest price paid: $37.87 date: 29 Nov 06	lowest price paid: $42.93

			highest price allowed under rule 7.33: $45.08

Participation by directors

Deleted 30/9/2001.

How many shares may still be bought back?

If the company has disclosed an intention to buy back a maximum number of shares - the remaining number of shares to be bought back

Up to a maximum total consideration of A$525,391,608.86

Compliance statement

1. The company is in compliance with all Corporations Act requirements relevant to this buy-back.

2. There is no information that the listing rules require to be disclosed that has not already been disclosed, or is not contained in, or attached to, this form.

Sign here:

Date 21 May 07

Print name:

== == == == ==

Appendix 3E

Information and documents given to ASX become ASX’s property and may be made public.

Name of entity		ABN
National Australia Bank Limited		12 004 044 937

We (the entity) give ASX the following information.

Information about buy-back

1	Type of buy-back	On market

2	Date Appendix 3C was given to ASX	3 November 2006

Total of all shares bought back, or in relation to which acceptances have been received, before, and on, previous day

		Before previous day		Previous day

3	Number of shares bought back or if buy-back is an equal access scheme, in relation to which acceptances have been received	16,754,939		595,000

4	Total consideration paid or payable for the shares	$	674,608,391.14	$	25,723,575.50

		Before previous day	Previous day

5	If buy-back is an on-market buy-back	highest price paid: $43.30 date: 18 May 07	highest price paid: $43.35

		lowest price paid: $37.87 date: 29 Nov 06	lowest price paid: $43.12

			highest price allowed under rule 7.33: $45.07

Participation by directors

Deleted 30/9/2001.

How many shares may still be bought back?

If the company has disclosed an intention to buy back a maximum number of shares - the remaining number of shares to be bought back

Up to a maximum total consideration of A$499,668,033.36

Compliance statement

1. The company is in compliance with all Corporations Act requirements relevant to this buy-back.

2. There is no information that the listing rules require to be disclosed that has not already been disclosed, or is not contained in, or attached to, this form.

Sign here:			Date 22 May 07


Print name:

== == == == ==

Appendix 3Y

Change of Director’s Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as possible. Information and documents given to ASX becomes ASX’s property and may be made public.

Name of Entity		NATIONAL AUSTRALIA BANK LIMITED
ABN		12 004 044 937

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the Director for the purposes of section 205G of the Corporations Act.

Name of Director		Michael Alfred CHANEY
Date of last notice		20 November 2006
Part 1 - Change of Director’s relevant interest in securities
In the case of a trust, this includes interests in the trust made available by the responsibility entity of the trust.

Direct or indirect interest		Direct
Nature of indirect interest (including registered holder)		N/A
Note: provide details of the circumstances giving rise to the relevant interest
Date of change		18 May 2007
No. of securities held prior to change		22,322

Class		Ordinary

Number acquired		775

Number disposed
Value/consideration		$33,286.25
Note: If consideration is non-cash, provide details and estimated valuation
No of securities held after change		23,097

Nature of change		Non-Executive Directors’ Share Plan
Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back

BT CASE

Company Secretary

22 May 2007

		Appendix 3Y
		Change of Director’s Interest Notice
		Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as possible. Information and documents given to ASX becomes ASX’s property and May be made public.

Name of Entity		NATIONAL AUSTRALIA BANK LIMITED
ABN		12 004 044 937

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the Director for the purposes of section 205G of the Corporations Act.

Name of Director		Jillian Shirley SEGAL
Date of last notice		20 November 2006

Part 1 - Change of Director’s relevant interest in securities

n the case of a trust, this includes interests in the trust made available by the responsibility entity of the trust.

Direct or indirect interest		Direct
Nature of indirect interest (including registered holder)		No change
Note: provide details of the circumstances giving rise to the relevant interest
Date of change		18 May 2007
No. of securities held prior to change
- Direct Interest		6,377

- Beneficial Interest		180 National Income Securities 1,000 Ordinary shares
Class		Ordinary

Number acquired		948

Number disposed

Value/consideration		$40,716.60
Note: If consideration is non-cash, provide details and estimated valuation
No of securities held after change
- Direct Interest		7,325

- Beneficial Interest		180 National Income Securities 1,000 Ordinary shares
Nature of change		Non-Executive Directors’ Share Plan
Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back

BT CASE

Company Secretary

22 May 2007

Appendix 3Y

Change of Director’s Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as possible. Information and documents given to ASX becomes ASX’s property and May be made public.

Name of Entity		NATIONAL AUSTRALIA BANK LIMITED
ABN		12 004 044 937

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the Director for the purposes of section 205G of the Corporations Act.

Name of Director		Peter John Benedict DUNCAN
Date of last notice		18 December 2006

Part 1 - Change of Director’s relevant interest in securities

In the case of a trust, this includes interests in the trust made available by the responsibility entity of the trust.

Direct or indirect interest		Direct
Nature of indirect interest (including registered holder)		N/A
Note: provide details of the circumstances giving rise to the relevant interest
Date of change		18 May 2007
No. of securities held prior to change		12,217

Class		Ordinary

Number acquired		393

Number disposed

Value/consideration		$16,879.35
Note: If consideration is non-cash, provide details and estimated valuation
No of securities held after change		12,610

Nature of change		Non-Executive Directors’ Share Plan
Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back

BT CASE

Company Secretary

22 May 2007

Appendix 3Y

Change of Director’s Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as possible. Information and documents given to ASX becomes ASX’s property and May be made public.

Name of Entity		NATIONAL AUSTRALIA BANK LIMITED
ABN		12 004 044 937

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the Director for the purposes of section 205G of the Corporations Act.

Name of Director		Geoffrey Allan TOMLINSON
Date of last notice		18 December 2006

Part 1 - Change of Director’s relevant interest in securities

In the case of a trust, this includes interests in the trust made available by the responsibility entity of the trust.

Direct or indirect interest		Direct
Nature of indirect interest (including registered holder)		N/A
Note: provide details of the circumstances giving rise to the relevant interest
Date of change		18 May 2007

No. of securities held prior to change		32,859

		350 National Income Securities

Class		Ordinary

Number acquired		481

Number disposed

Value/consideration		$20,658.95
Note: If consideration is non-cash, provide details and estimated valuation
No of securities held after change		33,340 350 National Income Securities

Nature of change		Non-Executive Directors’ Share Plan
Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back

BT CASE

Company Secretary

22 May 2007

Appendix 3Y

Change of Director’s Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as possible. Information and documents given to ASX becomes ASX’s property and May be made public.

Name of Entity		NATIONAL AUSTRALIA BANK LIMITED
ABN		12 004 044 937

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the Director for the purposes of section 205G of the Corporations Act.

Name of Director		Paul John RIZZO
Date of last notice		20 November 2006
Part 1 - Change of Director’s relevant interest in securities
In the case of a trust, this includes interests in the trust made available by the responsibility entity of the trust.

Direct or indirect interest		Direct
Nature of indirect interest (including registered holder)		N/A
Note: provide details of the circumstances giving rise to the relevant interest
Date of change		18 May 2007
No. of securities held prior to change		3,397

Class		Ordinary

Number acquired		309

Number disposed
Value/consideration		$13,271.55
Note: If consideration is non-cash, provide details and estimated valuation
No of securities held after change		3,706

Nature of change		Non-Executive Directors’ Share Plan
Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back

BT CASE

Company Secretary

22 May 2007

Appendix 3Y

Change of Director’s Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as possible. Information and documents given to ASX becomes ASX’s property and May be made public.

Name of Entity		NATIONAL AUSTRALIA BANK LIMITED
ABN		12 004 044 937

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the Director for the purposes of section 205G of the Corporations Act.

Name of Director		John Gordon THORN
Date of last notice		20 November 2006
Part 1 - Change of Director’s relevant interest in securities
In the case of a trust, this includes interests in the trust made available by the responsibility entity of the trust.

Direct or indirect interest		Direct
Nature of indirect interest (including registered holder)		N/A
Note: provide details of the circumstances giving rise to the relevant interest
Date of change		18 May 2007
No. of securities held prior to change		6,138

Class		Ordinary

Number acquired		280

Number disposed
Value/consideration		$12,026
Note: If consideration is non-cash, provide details and estimated valuation
No of securities held after change		6,418

Nature of change		Non-Executive Directors’ Share Plan
Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back

BT CASE

Company Secretary

22 May 2007

Appendix 3Y

Change of Director’s Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as possible. Information and documents given to ASX becomes ASX’s property and May be made public.

Name of Entity		NATIONAL AUSTRALIA BANK LIMITED
ABN		12 004 044 937

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the Director for the purposes of section 205G of the Corporations Act.

Name of Director		Daniel Thomas GILBERT
Date of last notice		20 November 2006
Part 1 - Change of Director’s relevant interest in securities
In the case of a trust, this includes interests in the trust made available by the responsibility entity of the trust.

Direct or indirect interest		Direct
Nature of indirect interest (including registered holder)		No change
Note: provide details of the circumstances giving rise to the relevant interest
Date of change		18 May 2007
No. of securities held prior to change		7,125

Invia Custodian Pty Limited <ACEJOE PL Super Fund A/C>		Relevant interest in 1,772 ordinary shares fully paid in the share capital of National Australia Bank Limited

		Relevant interest in 1,253 National Income Securities
Class		Ordinary

Number acquired		978

Number disposed
Value/consideration		$42,005.10
Note: If consideration is non-cash, provide details and estimated valuation
No of securities held after change		8,103

Invia Custodian Pty Limited <ACEJOE PL Super Fund A/C>		Relevant interest in 1,772 ordinary shares fully paid in the share capital of National Australia Bank Limited

		Relevant interest in 1,253 National Income Securities
Nature of change		Non-Executive Directors’ Share Plan
Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back

BT CASE

Company Secretary

22 May 2007

Appendix 3Y

Change of Director’s Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as possible. Information and documents given to ASX becomes ASX’s property and May be made public.

Name of Entity		NATIONAL AUSTRALIA BANK LIMITED
ABN		12 004 044 937

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the Director for the purposes of section 205G of the Corporations Act.

Name of Director		Patrcia Anne CROSS
Date of last notice		20 November 2006
Part 1 - Change of Director’s relevant interest in securities
In the case of a trust, this includes interests in the trust made available by the responsibility entity of the trust.

Direct or indirect interest		Direct
Nature of indirect interest (including registered holder)		N/A
Note: provide details of the circumstances giving rise to the relevant interest
Date of change		18 May 2007
No. of securities held prior to change		10,194

Class		Ordinary

Number acquired		1,002

Number disposed
Value/consideration		$43,035.90
Note: If consideration is non-cash, provide details and estimated valuation
No of securities held after change		11,196

Nature of change		Non-Executive Directors’ Share Plan
Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back

BT CASE

Company Secretary

22 May 2007

Appendix 3E

**(except minimum holding buy-back and**

selective buy-back)

Information and documents given to ASX become ASX’s property and may be made public.

Name of entity		ABN
National Australia Bank Limited		12 004 044 937

We (the entity) give ASX the following information.

Information about buy-back

1	Type of buy-back	On market

2	Date Appendix 3C was given to ASX	3 November 2006

Total of all shares bought back, or in relation to which acceptances have been received, before, and on, previous day

		Before previous day		Previous day

3	Number of shares bought back or if buy-back is an equal access scheme, in relation to which acceptances have been received	17,349,939		594,603

4	Total consideration paid or payable for the shares	$	700,331,966.64	$	25,564,539,76

		Before previous day	Previous day

5	If buy-back is an on-market buy-back	highest price paid: $43.35 date: 18 May 07	highest price paid: $43.20

		lowest price paid: $37.87 date: 29 Nov 06	lowest price paid: $42.73

			highest price allowed under rule 7.33: $45.04

Participation by directors

Deleted 30/9/2001.

How many shares may still be bought back?

If the company has disclosed an intention to buy back a maximum number of shares - the remaining number of shares to be bought back

Up to a maximum total consideration of A$474,103,493.60

Compliance statement

1. The company is in compliance with all Corporations Act requirements relevant to this buy-back.

2. There is no information that the listing rules require to be disclosed that has not already been disclosed, or is not contained in, or attached to, this form.

Sign here:		Date 23 May 07

Print name:	Brendan T Case

	Group Corporate Affairs 500 Bourke Street, Melbourne Victoria 3000 Australia

	www.nabgroup.com

	ABN 12 004 044 937

ASX Announcement

Wednesday 23 May 2007

AMENDMENT TO THE UNITED KINGDOM DIVIDEND PLAN

National Australia Bank Limited today announced a minor amendment to its United Kingdom (UK) Dividend Plan.

The amendment is a non-material change that will allow trustees of the National’s employee share plans to nominate to participate in the UK Dividend Plan in respect of only some of the shares held by them on behalf of employees.

In particular, this will permit UK-based employees of the Group to participate in the UK Dividend Plan.

The amendment will take effect on 23 May 2007.

National Australia Bank has updated the information on its website at www.nabgroup.com relating to the UK Dividend Plan.

For further information contact:

Media		Investor Relatons
Brandon Phillips		Hany Messieh
T 03 8641 3857		T 03 8641 2312
M 0419 369 058		M 0414 446 876

This statement does not constitute an offer of any securities for sale. The securities offered will not be registered under the U.S. Securities Act of 1933 and may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements.

Appendix 3E

**(except minimum holding buy-back and**

selective buy-back)

Information and documents given to ASX become ASX’s property and may be made public.

Name of entity		ABN
National Australia Bank Limited		12 004 044 937

We (the entity) give ASX the following information.

Information about buy-back

1	Type of buy-back	On market

2	Date Appendix 3C was given to ASX	3 November 2006

Total of all shares bought back, or in relation to which acceptances have been received, before, and on, previous day

		Before previous day		Previous day

3	Number of shares bought back or if buy-back is an equal access scheme, in relation to which acceptances have been received	17,944,542		522,221

4	Total consideration paid or payable for the shares	$	725,896,506.40	$	22,447,199.69

		Before previous day	Previous day

5	If buy-back is an on-market buy-back	highest price paid: $43.35 date: 18 May 07	highest price paid: $43.29

		lowest price paid: $37.87 date: 29 Nov 06	lowest price paid: $42.65

			highest price allowed under rule 7.33: $45.08

Participation by directors

Deleted 30/9/2001.

How many shares may still be bought back?

If the company has disclosed an intention to buy back a maximum number of shares - the remaining number of shares to be bought back

Up to a maximum total consideration of A$451,656,293.91

Compliance statement

1. The company is in compliance with all Corporations Act requirements relevant to this buy-back.

2. There is no information that the listing rules require to be disclosed that has not already been disclosed, or is not contained in, or attached to, this form.

Sign here:				Date 24 May 07

Print name:

== == == == ==

Appendix 3E

**(except minimum holding buy-back and**

selective buy-back)

Information and documents given to ASX become ASX’s property and may be made public.

Name of entity		ABN
National Australia Bank Limited		12 004 044 937

We (the entity) give ASX the following information.

Information about buy-back

1	Type of buy-back	On market

2	Date Appendix 3C was given to ASX	3 November 2006

Total of all shares bought back, or in relation to which acceptances have been received, before, and on, previous day

		Before previous day		Previous day

3	Number of shares bought back or if buy-back is an equal access scheme, in relation to which acceptances have been received	18,466,763		500,000

4	Total consideration paid or payable for the shares	$	748,343,706.09	$	21,345,100.00

		Before previous day	Previous day

5	If buy-back is an on-market buy-back	highest price paid: $43.35 date: 18 May 07	highest price paid: $42.82

		lowest price paid: $37.87 date: 29 Nov 06	lowest price paid: $42.59

			highest price allowed under rule 7.33: $45.15

Participation by directors

Deleted 30/9/2001.

How many shares may still be bought back?

If the company has disclosed an intention to buy back a maximum number of shares - the remaining number of shares to be bought back

Up to a maximum total consideration of A$430,311,193.91

Compliance statement

1. The company is in compliance with all Corporations Act requirements relevant to this buy-back.

2. There is no information that the listing rules require to be disclosed that has not already been disclosed, or is not contained in, or attached to, this form.

Sign here:				Date 25 May 07


Print name:

== == == == ==

Appendix 3E

**(except minimum holding buy-back and**

selective buy-back)

Information and documents given to ASX become ASX’s property and may be made public.

Name of entity		ABN
National Australia Bank Limited		12 004 044 937

We (the entity) give ASX the following information.

Information about buy-back

1	Type of buy-back	On market

2	Date Appendix 3C was given to ASX	3 November 2006

Total of all shares bought back, or in relation to which acceptances have been received, before, and on, previous day

		Before previous day		Previous day

3	Number of shares bought back or if buy-back is an equal access scheme, in relation to which acceptances have been received	18,966,763		576,616

4	Total consideration paid or payable for the shares	$	769,688,806.09	$	24,373,212.35

		Before previous day	Previous day

5	If buy-back is an on-market buy-back	highest price paid: $43.35 date: 18 May 07	highest price paid: $42.43

		lowest price paid: $37.87 date: 29 Nov 06	lowest price paid: $42.02

			highest price allowed under rule 7.33: $45.00

Participation by directors

Deleted 30/9/2001.

How many shares may still be bought back?

If the company has disclosed an intention to buy back a maximum number of shares - the remaining number of shares to be bought back

Up to a maximum total consideration of A$405,937,981.56

Compliance statement

1. The company is in compliance with all Corporations Act requirements relevant to this buy-back.

2. There is no information that the listing rules require to be disclosed that has not already been disclosed, or is not contained in, or attached to, this form.

Sign here:		Date 28 May 07


Print name:	BRENDAN T CASE

SIGNATURE PAGE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorised.

	NATIONAL AUSTRALIA BANK LIMITED


	Signature:		/s/ *Brendan T Case*
Date: 25 May 2007	Name: Brendan T Case
	Title:	Company Secretary

Appendix 3E

Daily share buy-back notice (except minimum holding buy-back and selective buy-back)

Information about buy-back

Total of all shares bought back, or in relation to which acceptances have been received, before, and on, previous day

Participation by directors

How many shares may still be bought back?

Compliance statement

Appendix 3E

Daily share buy-back notice (except minimum holding buy-back and selective buy-back)

Information about buy-back

Total of all shares bought back, or in relation to which acceptances have been received, before, and on, previous day

Participation by directors

How many shares may still be bought back?

Compliance statement

Appendix 3E

Daily share buy-back notice

(except minimum holding buy-back and

selective buy-back)

Information about buy-back

Total of all shares bought back, or in relation to which acceptances have been received, before, and on, previous day

Participation by directors

How many shares may still be bought back?

Compliance statement

Wednesday 23 May 2007

Appendix 3E

Daily share buy-back notice

(except minimum holding buy-back and

selective buy-back)

Information about buy-back

Total of all shares bought back, or in relation to which acceptances have been received, before, and on, previous day

Participation by directors

How many shares may still be bought back?

Compliance statement

Appendix 3E

Daily share buy-back notice

(except minimum holding buy-back and

selective buy-back)

Information about buy-back

Total of all shares bought back, or in relation to which acceptances have been received, before, and on, previous day

Participation by directors

How many shares may still be bought back?

Compliance statement

Appendix 3E

Daily share buy-back notice

(except minimum holding buy-back and

selective buy-back)

Information about buy-back

Total of all shares bought back, or in relation to which acceptances have been received, before, and on, previous day

Participation by directors

How many shares may still be bought back?

Compliance statement

Daily share buy-back notice
(except minimum holding buy-back and
selective buy-back)

Daily share buy-back notice
(except minimum holding buy-back and
selective buy-back)

**(except minimum holding buy-back and**

**(except minimum holding buy-back and**

**(except minimum holding buy-back and**

**(except minimum holding buy-back and**

NATIONAL AUSTRALIA BANK LTD 6-K