Kelly Yu Wenwen (Chinese: 于文文; pinyin: Yú Wénwén; born 7 November 1989) is a Chinese Canadian singer, songwriter, and actress.

Personal life
Yu was born in Dalian, China and moved with her parents to Vancouver, British Columbia in 2004. She attended Killarney Secondary School and later moved to Boston, where she attended the Berklee College of Music.

Career
Yu's first movie was Under the Rain in 2012, directed by Liu Chen. Her first lead role was in 2014 in the television series One and a Half Summer pairing up with Nichkhun.

In 2017, Yu starred as lead actress in the romantic film The Ex-File 3: The Return of the Exes. She sang the theme song of the film.

On Christmas Day of 2022, Kelly announced via Weibo where she will be reprising her role as Lin Jia from Ex-File 3 with other key members returning too.