United Left
- Estonian United Left Party
- European United Left (1989–93)
- European United Left (1994–95)
- European United Left–Nordic Green Left
- Izquierda Unida (disambiguation)
- Unified Socialist Party (Morocco)
- United Left (Argentina)
- United Left (Austria)
- United Left (Bolivia)
- United Left (Bolivia, 1985)
- United Left (Costa Rica)
- United Left (East Germany)
- United Left (France)
- United Left (Galicia)
- United Left (Greece)
- United Left (Ireland)
- United Left (Peru)
- United Left (Poland)
- United Left (San Marino)
- United Left (Slovenia)
- United Left (Spain)
- United Left Alliance
- United Left Front (1967)
- United Left Front (Nepal, 1990)
- United Left Front (Nepal, 2002)
- United Left for Cusano Milanino
- United Left/The Greens–Assembly for Andalusia
- Venstre (Denmark)