Xia Yu is a Chinese actor. At the age of 18 years, he rose to international prominence after winning the Best Actor award at the Venice Film Festival in 1994 for his leading role in the film In the Heat of the Sun and became the youngest actor to win that award in the history of the Venice Film Festival.

In the Heat of the Sun is a 1994 Chinese film directed and written by Jiang Wen. The film is based loosely on author Wang Shuo's novel Wild Beast.