Correction: The previously cited "Zé Rafael" (José Rafael dos Santos Neves) is a Brazilian footballer, not Costa Rican. Here are genuinely famous Costa Ricans.
NASA astronaut (7 missions), physicist, plasma rocket pioneer. Born in San José (1950). First Latin American astronaut. Founded Ad Astra Rocket Company. National hero.
World-class goalkeeper. 3× Champions League winner (Real Madrid), PSG, Costa Rica captain (100+ caps). 2014 World Cup quarterfinal hero. Global sports icon.
Nobel Peace Prize (1987) for Central American peace plan. Two-time President (1986–90, 2006–10). Architect of regional democratization.
Olympic gold medalist (1996, 200m freestyle). Only Costa Rican Olympic gold. Multiple world records. National treasure.
UNFCCC Executive Secretary (2010–16) – lead architect of the Paris Agreement. Global climate diplomacy leader.
National poet/diplomat (1866–1909). "Concherías" – defining Costa Rican costumbrismo literature.
"Costa" appears in Brazilian club names (e.g., Costa Rica EC), and Portuguese/Spanish names overlap. Always verify nationality.
For global impact: Franklin Chang-Díaz (science) or Keylor Navas (sport). For peace: Óscar Arias. For culture: Claudia Poll or Aquileo Echeverría.