The Left Democratic Front
) is an alliance of left-wing political parties in the state of Kerala, India. It is the current ruling political alliance of Kerala, since 2016. It is one of the two major political alliances in Kerala, the other being Congress-led UDF, each of which has been in power alternately for the last four decades. LDF has won the elections to the State Legislature of Kerala in the years 1980, 1987, 1996, 2006, 2016 and had a historic re-election in 2021 where an incumbent government was re-elected for first time in 40 years. The alliance consists of CPI(M), CPI, KC(M), NCP, JD(S), INL, and various smaller parties.