Monk may refer to any of the following:
- Monk, a male religious ascetic.
- Monk programming language, a programming language internal to the Datagate message-brokering software.
- Monk is a television show that debuted in 2002.
- The Monk is a Gothic novel by Matthew Lewis.
- Thelonious Monk was a jazz pianist known for his unique improvisational style and many contributions to the standard jazz repertoire.