| Country: | Panama |
| National Liberal Party | |
| Native Name: | Partido Liberal Nacional |
| Flag: | F1 red flag.svg |
| Split: | Colombian Liberal Party |
| Merged: | Patriotic Union |
| Headquarters: | Panama City, Panama |
| Ideology: | Liberalism |
| Position: | Centre |
| International: | Liberal International (observer) |
The National Liberal Party (Spanish; Castilian: Partido Liberal Nacional) was a liberal party in Panama. The party was an observer at Liberal International.
The party was formed in 1903 out of the Panamanian branch of the Colombian Liberal Party, shortly after Panama declared independence.
The PLN merged with Solidarity Party (Partido Solidaridad) to form the new Patriotic Union Party (Unión Patriótica) in 2009.