Report of Foreign Issuer Pursuant to Rule 13a-16 or 15d-16 (6-k)

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES

EXCHANGE ACT OF 1934

For the month of August 2021

Commission File Number 001-35466

GasLog Ltd.

(Translation of registrant’s name into English)

c/o GasLog LNG Services Ltd.

69 Akti Miaouli, 18537

Piraeus, Greece

(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  ☐

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Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):	☐
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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):	☐

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The financial report issued by GasLog Ltd. on August 5, 2021, relating to its results for the three and six-month periods ended June 30, 2021, is attached hereto as Exhibits 99.1 – 99.2.

INCORPORATION BY REFERENCE

Exhibits 99.1 and 99.2 to this Report on Form 6-K shall be incorporated by reference into our registration statements on Form F-3 (File Nos. 333-194894, 333-230205 and 333-239797), initially filed with the Securities and Exchange Commission (the “SEC”) on March 28, 2014, March 12, 2019 and July 10, 2020, respectively, as amended, and the registration statement on Form S-8 (File No. 333-187020), filed with the SEC on March 4, 2013, in each case to the extent not superseded by information subsequently filed or furnished (to the extent we expressly state that we incorporate such furnished information by reference) by us under the Securities Act of 1933 or the Securities Exchange Act of 1934, in each case as amended.

EXHIBIT LIST

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Exhibit		Description
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99.1		Financial Report for the Three and Six Months Ended June 30, 2021
		Management’s Discussion and Analysis of Financial Condition and Results of Operation
99.2		Unaudited Condensed Consolidated Financial Statements
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101.INS	​	XBRL Instance Document
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101.SCH	​	XBRL Taxonomy Extension Schema
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101.CAL	​	XBRL Taxonomy Extension Scheme Calculation Linkbase
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101.DEF	​	XBRL Taxonomy Extension Scheme Definition Linkbase
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101.LAB	​	XBRL Taxonomy Extension Scheme Label Linkbase
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101.PRE	​	XBRL Taxonomy Extension Scheme Presentation Linkbase

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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.

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Date: August 5, 2021	​	​	​	​
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​	GASLOG LTD.,
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​	​	by	/s/ Paul Wogan
​	​	​	Name:	Paul Wogan
​	​	​	Title:	Chief Executive Officer

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