Mork may refer to:
- Character on the American sitcoms Happy Days and Mork & Mindy (1978–82)
- Mork (file format), a computer file format previously used by Mozilla-based web browsers
- A village near St Briavels in Gloucestershire, England
- Mork, Hama, a village in Syria
- Slang term for aliens in the British science fiction television series The Aliens (TV series) (2016)
- Affectionate nickname for K-pop singer Mark Lee
- Affectionate nickname for K-pop singer Mark Tuan