The Reformist Party (formally and less-commonly known as the Reformist Republican Party; Spanish: Partido Reformista; 1912–1931) was a political party in early 20th-century Spain. It was founded in 1912 by Melquíades Álvarez, Gumersindo de Azcárate, and José Ortega y Gasset. In the 1914 election, the party elected 11 members to the Congress of Deputies. The party ceased to exist during the Second Republic, which began in 1931.

Election	Number of Seats	+/–	Notes
Spanish general election, 1914	11 / 408	11
Spanish general election, 1916	12 / 409	11
Spanish general election, 1918	9 / 409	3	Part of the "Left-wing Alliance".
Spanish general election, 1919	6 / 409	3
Spanish general election, 1920	9 / 437	3
Spanish general election, 1923	18 / 437	9