Left Unity may refer to:

Left Unity (UK), a UK political party founded in 2013 Left Unity (European Parliament), a grouping in the European Parliament which existed from 1989 to 1994 Left Unity (Jawaharlal Nehru University), group of Indian left wing students' organisations at Jawaharlal Nehru University Workers' Party of Spain – Communist Unity, a tendency within the Spanish Socialist Workers' Party

See also United Front (disambiguation) Popular Front (disambiguation)