| Communist Party of Uruguay | |
| Leader: | Juan Castillo |
| Ideology: | Communism Marxism–Leninism |
| Position: | Left-wing |
| Headquarters: | Fernández Crespo 2098, Montevideo, Uruguay |
| Regional: | Foro de São Paulo |
| International: | IMCWP[1] |
| Country: | Uruguay |
| Native Name: | Spanish; Castilian: Partido Comunista del Uruguay |
| Split: | Socialist Party of Uruguay |
| National: | Broad Front |
| Colors: | Red, blue, white |
| Flag: | Hammer&SickleFlag02.svg |
| Seats1 Title: | Chamber of Deputies |
| Seats2 Title: | Senate |
The Communist Party of Uruguay (Spanish; Castilian: link=no|Partido Comunista del Uruguay, PCU) is a communist party in Uruguay, founded on 21 September 1920 by members of the Socialist Party who had endorsed the October Revolution and the Bolsheviks.
The current secretary-general of the PCU is Juan Castillo. It is a member of the Broad Front coalition.
| No. | Name | Term | ||
|---|---|---|---|---|
| Start | End | |||
| 1 | Eugenio Gómez | 1920 | 1955 | |
| 2 | Rodney Arismendi | 1955 | 1973 | |
| 3 | Jaime Pérez (clandestine during the dictatorship) | 1973 | 1974 | |
| 4 | José Luis Massera (clandestine during the dictatorship) | 1974 | 1975 | |
| 5 | Gerardo Cuesta (clandestine during the dictatorship) | 1975 | 1976 | |
| 6 | León Lev (clandestine during the dictatorship) | 1976 | 1979 | |
| 7 | José Pacella (clandestine during the dictatorship) | 1979 | 1981 | |
| 8 | Ramón Cabrera (clandestine during the dictatorship) | 1981 | 1985 | |
| 9 | Rodney Arismendi | 1985 | 1988 | |
| 10 | Jaime Pérez | 1988 | 1992 | |
| 11 | Marina Arismendi | 1992 | 2006 | |
| 12 | Eduardo Lorier | 2006 | 2017 | |
| 13 | Juan Castillo | 2017 | Current | |