| Breton Communist Party | |
| Native Name: | Parti communiste Breton/Strollad Komunour Breizh |
| Native Name Lang: | fr |
| Colorcode: | red |
| Leader: | Kristian Hamon |
| Ideology: | Communism Marxism–Leninism Maoism Guevarism Breton nationalism |
| Position: | Far-left |
| Country: | France |
Breton Communist Party (in French: Parti communiste Breton) was a separatist and Communist party in Brittany, France. The group was founded in 1971 by former members of the Unvaniezh Demokratel Breizh, and had the historian and critic of Breton collaboration with the German occupation, Kristian Hamon, as a notable member. It ceased to exist in 1980.