Go Away Mr. Tumor (Chinese: 滚蛋吧！肿瘤君) is 2015 Chinese comedy-drama film. It is based on the life of comic book artist Xiong Dun, who after her cancer diagnosis authored a popular webcomic that became a sensation in China. Xiong died in 2012 at the age of 30.

Directed by Han Yan and starring Bai Baihe and Daniel Wu, the film was released on August 13, 2015, and became a box office hit.

The film was selected as the Chinese entry for the Best Foreign Language Film at the 88th Academy Awards but it was not nominated.

"Go Away, Mr. Tumor" was featured in the 5th annual China International Co-Production Film Screenings, hosted by the Motion Picture Association of America and China's Film Bureau of the State Administration of Press, Publication, Radio, Film and Television.