C
- Joaquin Bernado Calvo (1957)
- Jose Maria Cañas (1903, 1907, 1910, 1957)
- Braulio Carillo (1901, 1907, 1910)
- Recaredo Bonilla Carrillo (1963)
- Bruno Carranza (1943)
- Pancha Carrasco (1984)
- Ramon Castilla y Marquesado (1957)
- Jose María Castro (1901, 1907, 1943)
- Edith Cavell (1945)
- Miguel de Cervantes (1947)
- Jesus Bonilla Chavarria, composer (1984)
- Roberto Chiari, president of Panama (1963)
- Christopher Columbus (1923)
Read more about this topic: List Of People On Stamps Of Costa Rica