The Mermaid (Chinese: 美人鱼) is a 2016 Chinese-Hong Kong romantic comedy fantasy film directed, co-written and produced by Stephen Chow, which stars Lin Yun, Deng Chao, Zhang Yuqi and Show Lo. The film tells the story of a playboy businessman (Deng Chao) who falls in love with a mermaid (Lin Yun) sent to assassinate him.

The film was released in China on 8 February 2016, and broke numerous box office records, including biggest opening day and biggest single-day gross through its seventh day of release. The Mermaid had the biggest opening week of all time in China, where it became the thirteenth-highest-grossing film of all time.

A sequel is reported to have completed filming. A treatment for an American remake is being written by Cherry Chevapravatdumrong and Teresa Hsiao.