| Wu Yen | |
| Director: | Johnnie To Wai Ka-Fai |
| Producer: | Johnnie To Wai Ka-Fai |
| Music: | Raymond Wong |
| Cinematography: | Cheng Siu-Keung |
| Editing: | Law Wing-Cheong Wong Wing-Ming |
| Studio: | One Hundred Years of Film Milkyway Image |
| Distributor: | China Star Entertainment Group |
| Runtime: | 123 minutes |
| Country: | Hong Kong |
| Language: | Cantonese |
| Gross: | HK $27,241,316 |
Wu Yen is a 2001 historical Hong Kong comedy film produced and directed by Johnnie To and Wai Ka-Fai.