The Solidarity Party (Partido Solidaridad) was a political party in Panama that merged with the National Liberal Party (Partido Nacional Liberal) and formed the new Patriotic Union Party.

At the legislative elections, 2 May 2004, the party won 15.7% of the popular vote and 9 out of 78 seats. Guillermo Endara on the same day, at the presidential election, won 30.9% of the vote. Endara subsequently set up his own party, the Moral Vanguard of the Fatherland, to contest the 2009 elections.

v t e Political parties in Panama
Bracketed numbers indicate numbers of seats in the National Assembly
Parties represented in the National Assembly	Government (13) Realizing Goals (13) Opposition (38) Democratic Revolutionary Party (13) Democratic Change (8) Panameñista Party (8) Another Way Movement (3) People's Party (2) Alliance Party (2) Nationalist Republican Liberal Movement (1) Independent group (20) Independents (20)
Parties without representation in the National Assembly but have other elected officials (district mayors, representatives and PARLACEN deputies)	Communist Party (Marxist–Leninist) of Panama Independent Social Alternative Party MLN-29
Defunct parties	Broad Front for Democracy Moral Vanguard of the Fatherland People's Party of Panama Socialist Workers Front (Marxist–Leninist) Workers Party (Marxist–Leninist)
Politics portal List of political parties Politics of Panama