J. O. Martin
- Title : J. O. Martin
- Popularity : 0.811
- Known For : Acting
- Birthday : 1888-12-27
- Place of Birth : Humpolec, Austria-Hungary [now Humpolec, Czech Republic]
- Homepage :
- Also Known As : Jan Otakar Martin, J.O. Martin, Ян Отакар Мартин, Я. О. Мартин, Я.О. Мартин