The National Action Party (Partido Acción Nacional - PAN) is a right-wing Nicaraguan political party founded by Eduardo Rivas Gasteazoro in 1985 as a split from the Social Christian Party (PSC) in 1985. The PAN received legal status on appeal in 1989. PAN was part of the National Opposition Union (UNO) coalition and won 3 seats (out of UNO's 51) in the National Assembly in 1990.
- Harry E. Vanden, Gary Prevost. "Parties in the 1990 Election." Democracy and Socialism in Sandinista Nicaragua. Lynne Rienner Publishers, Feb 1, 1996 pg. 134