The 1999 Indian general election was held to elect 20 members to the thirteenth Lok Sabha from Kerala. Indian National Congress-led United Democratic Front (UDF) won 11 seats, while the Left Democratic Front (LDF), led by Communist Party of India (Marxist) (CPI(M)) won the remaining 9 seats. Both coalitions won the same number of seats as in the previous election, held in the previous year. Turnout for the election was measured at 70.19% of the eligible population.
The polling schedule for the 1999 General Elections was announced by the Chief Election Commissioner on 11 July 1999.
UDF is a Kerala legislative alliance formed by INC veteran K. Karunakaran. LDF comprises primarily of CPI(M) and the CPI, forming the Left Front in the national level. National Democratic Alliance (NDA), led by Bharatiya Janata Party (BJP) contested in 19 seats.