Hao Lei (born November 1, 1978), also known as Echo Hao, is a Chinese actress and Mandopop singer-songwriter.

Hao first gained international prominence as Yu Hong, the heroine in Lou Ye's 2006 film about the Tiananmen Square protests of 1989, Summer Palace. In November 2010, she won a Taiwan Golden Horse Award for Best Supporting Actress for her role in Chung Mong-hong's film The Fourth Portrait. Before that, Hao had also starred in numerous television productions.