Selección de Osa is a Costa Rican football club, currently playing in the Tercera Division.

They are based in the south of the country, in Ciudad Cortés, near the Panamanian border.

Founded in June 1983 as Deportivo Hospital Tomás Casas, the name was changed to Municipal Osa quickly.

They won promotion to the Segunda División in 1996 and reached the top flight after 4 more years.

[4] As of June 2, 2022 Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.