UNITED STATES ~~SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549~~

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO ~~Pursuant~~RULE ~~to Section~~ 13a-16 orOR 15d-16 ~~of the Securities Exchange Act of 1934~~

~~For~~UNDER ~~the~~THE ~~month~~SECURITIES ofEXCHANGE ~~April~~ACT ~~2023~~OF 1934

For the month of May 2023

Commission File Number: 001-39034

BELLUS HEALTH INC. ~~(Name of registrant)~~

~~275 Armand-Frappier Blvd. Laval, Québec H7V 4A7Canada~~ (~~Address~~Name of ~~principal executive offices~~registrant)

~~Indicate~~275 ~~by check mark whether the registrant files or will file annual reports under cover Form 20~~Armand-FFrappier ~~or Form 40-F~~Blvd.

~~Form~~Laval, ~~20-F [ ] Form 40-F [ X ]~~Québec

~~Indicate~~H7V ~~by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1). ____~~4A7

~~Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ____~~Canada

~~SIGNATURE~~(Address of principal executive offices)

~~Pursuant~~Indicate toby ~~the~~check ~~requirements~~mark ofwhether ~~Section 12 of~~ the ~~Securities~~ ~~Exchange~~registrant ~~Act~~files ofor ~~1934,~~will ~~the~~file ~~Registrant~~annual reports ~~has~~under ~~duly~~cover ~~caused~~of ~~this~~Form ~~report~~20-F toor beForm ~~signed on its behalf by the undersigned, thereunto duly authorized~~40-F.

Dated: April 28, 2023		BELLUS Health Inc.
	By:	/s/ Ramzi Benamar
	Name:	Ramzi Benamar
	Title:	Chief Financial Officer

¨ Form 20-F

x Form 40-F

Exhibit	DESCRIPTION
99.1	Notice of the Meeting and Record Date

SIGNATURES

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 authorized.

	BELLUS Health Inc.

Date: May 11, 2023	By:	/s/ Ramzi Benamar
		Name: Ramzi Benamar Title: Chief Financial Officer

Form 6-K Exhibit Index

Exhibit Number		Document Description

99.1		Condensed Consolidated Interim Financial Statements (Unaudited) for the periods ended March 31, 2023 and 2022.

99.2		Management’s Discussion and Analysis for the three-month period ended March 31, 2023.

99.3		Form 52-109F2 Certification of Interim Filings – CEO.

99.4		Form 52-109F2 Certification of Interim Filings – CFO.

Filing Compare · BELLUS Health Inc.