The Dongsi Mosque (simplified Chinese: 东四清真寺; traditional Chinese: 東四清真寺; pinyin: Dōngsì Qīngzhēnsì) is a mosque in Dongsi Subdistrict, Dongcheng District, Beijing, China.

[4] The earlier repairs were financed by Chen Yuyuan, a prominent officer during the Ming dynasty.

[5] The mosque survived a fire in the late 19th century but suffered damage.

[4] The mosque consists of two gates, a minaret, a prayer hall and a library.

The mosque is accessible within walking distance south of Dongsi Station of Beijing Subway.