The Progressive Liberal Party (Spanish: Partido Liberal Progresista) is a classical-liberal political party in Costa Rica.

[3][4][5] It was founded on February 27, 2016, and participated in the 2018 parliamentary election for deputies in the provinces of San José, Alajuela, Heredia and Puntarenas, without obtaining seats in the Legislative Assembly.

The PLP is chaired by the former Transport Vice-minister during the Rodríguez Echeverría administration, Eliécer Feinzaig.

[6] As a liberal party (both economically and culturally), it is in favor of a capitalist and free market economy, legalization of marijuana, in vitro fertilization and same-sex marriage.

[7][8] The fundamental principles of the party are:[9][better source needed]