Tumen (simplified Chinese: 图们; traditional Chinese: 圖們; pinyin: Túmén; Chosŏn'gŭl: 도문; Hangul: 투먼) is a county-level city in Yanbian Korean Autonomous Prefecture, eastern Jilin province, Northeast China.

[citation needed] The two official languages are Chinese and Korean.

Tumen is separated from Namyang of North Hamgyong province of North Korea by the Tumen River.

Tumen is also the location of a large detention center for captured North Koreans awaiting deportation.

A riverfront promenade in the city has restaurants where patrons can gaze across the river into North Korea.