| Revolutionary Left Union | |
| Native Name: | Unión de Izquierda Revolucionaria |
| Colorcode: | Red |
| Foundation: | 1980 |
| Ideology: | Communism Factions: Marxism–Leninism Mariáteguism Anti-revisionism Socialist patriotism Maoism Browderism |
| Country: | Peru |
| Abbreviation: | UNIR |
| Dissolved: | 1990s? |
| Position: | Far-left |
| National: | PCR-PR VR-PC FLN IU (1980-93) |
Revolutionary Left Union (in Spanish: Unión de Izquierda Revolucionaria), was an electoral front in Peru founded in 1980 by Communist Party of Peru (Red Fatherland), Revolutionary Vanguard (Communist Proletarian) and National Liberation Front. UNIR participated on the lists of IU from the municipal elections 1980 to 1993.