Proletarian Party

Proletarian Party may refer to:
 * Proletarian Catalan Party, a political party in Catalonia, Spain
 * Proletarian Liberation Party, a political party in Brazil
 * Proletarian Masses Party, a short-lived political party in Japan
 * Proletarian parties in Japan, 1925–1932, a group of political parties in Japan
 * Proletarian Nationalist Party, a political party in Peru
 * Proletarian Party of Peru, a communist party in Peru
 * Proletarian Party of America, a communist party in the United States, 1920–1971
 * Proletarian Party (Murba), a defunct national communist political party in Indonesia
 * Pattali Makkal Katchi (lit. 'Proletarian People's Party'), an political party in Tamil Nadu, India
 * Purba Banglar Sarbahara Party, a Bangladeshi communist party