Report of Foreign Issuer (6-k)

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON D.C. 20549

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FORM 6-K

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Report of Foreign Private Issuer

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

the Securities Exchange Act of 1934

March 31, 2020

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CHINA SOUTHERN AIRLINES COMPANY LIMITED

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68 Qi Xin Road

Guangzhou, 510403

People’s Republic of China

(Address of principal executive offices)

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

Form 20-F ☒ 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):_________

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):_________

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 ☐ No x

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

China Southern Airlines Company Limited (the “Company”) published the following announcements on March 30, 2020 on the Hong Kong Stock Exchange’s website at:

http://www1.hkexnews.hk/listedco/listconews/sehk/2020/0330/2020033001589.pdf, in relation to the resolutions of the board of directors and the supervisory committee of the Company;

http://www1.hkexnews.hk/listedco/listconews/sehk/2020/0330/2020033001387.pdf, in relation to the 2019 corporate social responsibility report of the Company; and

http://www1.hkexnews.hk/listedco/listconews/sehk/2020/0330/2020033001647.pdf, in relation to the annual results for the year ended December 31, 2019.

The announcements in English are included as exhibits to this Form 6-K.

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.