Sri Lanka Freedom Socialist Party

Sri Lanka Freedom Socialist Party was a political party in Sri Lanka. SLFSP was formed in 1964 by C.P. de Silva when he broke away from the Sri Lanka Freedom Party. In the 1965 elections, SLFSP contested in coalition with the United National Party. In total SLFSP had 32 candidates, who received a total of 130 429 votes (3.2% of the nationwide vote). Five MPs were elected from the party. SLFSP joined the coalition government led by UNP.

SLFSP amalgamated the Lanka Prajathanthravadi Pakshaya. Soon thereafter SLFSP merged into UNP.

Political parties in Sri Lanka
Major parties	UNFGG/UNF United National Party All Ceylon Makkal Congress Jathika Hela Urumaya Sri Lanka Muslim Congress Tamil Progressive Alliance Democratic People's Front National Union of Workers Up-Country People's Front UPFA Sri Lanka Freedom Party Ceylon Workers' Congress Jathika Nidahas Peramuna Liberal Party Mahajana Eksath Peramuna National Congress Socialist Alliance Communist Party of Sri Lanka Democratic Left Front Desha Vimukthi Janatha Pakshaya Lanka Sama Samaja Party Sri Lanka Mahajana Pakshaya Tamil Makkal Viduthalai Pulikal
Third parties	Larger TNA Illankai Tamil Arasu Kachchi Eelam People's Revolutionary Liberation Front People's Liberation Organisation of Tamil Eelam (Democratic People's Liberation Front) Tamil Eelam Liberation Organization Smaller Janatha Vimukthi Peramuna Democratic Tamil National Front Democratic People’s Congress Eelam People's Democratic Party Eelam Revolutionary Organisation of Students (Eelavar Democratic Front) Tamil Eelam Liberation Organization (Sri wing) Tamil United Liberation Front
Others outside parliament	Bahujana Nidahas Peramuna Bodu Jana Peramuna Ceylon Communist Party (Maoist) Ceylon Democratic Unity Alliance Crusaders for Democracy Democratic Party Democratic United National Front Eelam National Democratic Liberation Front Eelam People's Revolutionary Liberation Front (Padmanaba) Left Liberation Front Lanka Sama Samaja Party (Alternative Group) National Democratic Movement Nava Sama Samaja Party New Democratic Party Janatha Sevaka Pakshaya New Democratic Front New Sinhala Heritage People's Tamil Congress Revolutionary Workers Party Sinhalaye Mahasammatha Bhoomiputra Pakshaya Socialist Equality Party Socialist Party Sri Lanka Labour Party Tamil National People's Front All Ceylon Tamil Congress United Citizen’s Front United Socialist Party
Former political parties	All Ceylon Islamic United Front All Ceylon Malay Political Union Aziz Democratic Workers Congress Bolshevik Samasamaja Party Buddhist Republican Party Ceylon National Congress Lanka Democratic Party Lanka Mahajana Sabha Lanka Sama Samaja Party (Revolutionary) People's Front of Liberation Tigers Sinhala Maha Sabha Sri Lanka Freedom Socialist Party Sri Lanka Sama Samaja Party United Lanka Congress Viplavakari Lanka Sama Samaja Party
Former political alliances	Democratic National Alliance Mahajana Eksath Peramuna People's Alliance National Unity Alliance Tamil National Liberation Alliance
Portal:Politics List of political parties Politics of Sri Lanka