UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

OF THE SECURITIES EXCHANGE ACT OF 1934

For the month of ~~May~~ June 2026

Commission File Number: 001-41782

VinFast Auto Ltd.

Dinh Vu – Cat Hai Economic Zone

Cat Hai Island, Cat Hai Special Zone

Hai Phong City, Vietnam

(Address of principal executive office)

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 ☐

INFORMATION CONTAINED IN THIS REPORT ON FORM 6-K

As set forth herein, VinFast Auto Ltd. (the “Company”) ~~held~~has announced its ~~extraordinary~~unaudited ~~general~~financial ~~meeting~~results of shareholders on May 27, 2026 (the “Extraordinary General Meeting”). As of May 1, 2026, the Company’s record date, there were a total of 2,339,536,010 ordinary shares outstanding and entitled to vote at the Extraordinary General Meeting. At the Extraordinary General Meeting, holders of 2,291,900,385 shares issued and outstanding and entitled to vote at the Extraordinary General Meeting were represented in person or by proxy and, therefore, a quorum was present in accordance with the Company’s Constitution. A brief description of each matter voted upon at the Extraordinary General Meeting and the number of votes cast for, ~~withheld, or against, and~~ the ~~number~~first ofquarter ~~abstentions with~~ended ~~respect~~March ~~to each matter~~31, ~~as applicable, is attached as Exhibit 99~~2026.1.

The operational and financial information as of March 31, 2026 and for the quarter then ended contained in Exhibit 99.1 to this Form 6-K shall be deemed to be incorporated by reference into the Company’s registration statement on Form S-8 (File No. 333-278251), registration statement on Form F-3 (File No. 333-275133), and registration statement on Form F-3 (File No. 333- 291445) (including any prospectuses forming a part of such registration statements) and to be a part thereof from the date on which this report is furnished, to the extent not superseded by documents or reports subsequently filed or furnished.

EXHIBIT INDEX

Exhibit		Description of Exhibit
99.1		Extraordinary General Meeting Results

EXHIBIT INDEX

Exhibit		Description of Exhibit

99.1		Unaudited financial results for the first quarter ended March 31, 2026

SIGNATURE

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

	VinFast Auto Ltd.
Date: May 27, 2026	By:	/s/ Nguyen Thi Van Trinh
Date: June 8, 2026	By:	/s/ Nguyen Thi Lan Anh
		Name:	Nguyen Thi ~~Van~~Lan ~~Trinh~~Anh
		Title:	Director and Chief Financial Officer

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