Green Hat (Chinese: 绿帽子; pinyin: lǜ màozǐ) (also known as The Green Hat) is a Chinese film from 2003 and the debut of screenwriter Liu Fendou. Starring Li Congxi, Liao Fan, and Dong Lifan, the film tells the story of two men, one a bank robber, and one a police officer and their shared problem of unfaithful partners. In China, the phrase "wearing a green hat", refers to a cuckold. The film features full-frontal male nudity.

The film was well received by both critics and festival audiences, notably at the 2004 Tribeca Film Festival where it won a prize for Best Narrative Feature.