GLOP Gaslog Partners LP

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 May 2018

Commission File Number 001-36433

GasLog Partners LP

(Translation of registrant’s name into English)

c/o GasLog Monaco S.A.M.

Gildo Pastor Center

7 Rue du Gabian

MC 98000, Monaco

(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   þ     Form 40-F   o

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):           o

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):           o

INFORMATION CONTAINED IN THIS FORM 6-K REPORT

The press release issued by GasLog Partners LP on May 11, 2018 relating to the results of its 2018 Annual Meeting of Limited Partners is attached hereto as Exhibit 99.1 and is incorporated herein by reference.