Petch
Petch may refer to:
- Henry Petch, partner of Perkins, Bacon & Petch
- Howard Petch, Canadian academic administrator
- Ivan Petch, former Australian politician
- Karen Petch, English broadcaster and news presenter
- Mark Petch, founder of Mark Petch Motorsport
- N. J. Petch, co-discoverer of the Hall-Petch relationship
- Tom Petch, English mycologist
- Rattana Petch-Aporn, Thai footballer