The Union for Change Party (Partido Unión para el Cambio) was a political party in Costa Rica founded by the former minister and congressman Antonio Álvarez Desanti after he left the National Liberation Party unhappy with his faction's results in the internal elections against Óscar Arias.
Antonio Álvarez Desanti, a former minister and congressman, established the Union for Change Party (Partido Unión para el Cambio) in Costa Rica after leaving the National Liberation Party due to dissatisfaction with the results of their internal election against Óscar Arias.