Sun Wenyan (Chinese: 孙文雁; pinyin: Sūn Wényàn; born 27 December 1989) is a Chinese competitor in synchronised swimming.

She won a silver medal in team competition at the 2012 Summer Olympics.

[1] At the 2016 Olympics, she won another silver in the team competition, and a silver in the duet event with Huang Xuechen.

[2]