Costa Rica at the 1984 Summer Olympics

Athletics

100 metres, Men Glen Abrahams 7 h10 r1/4
200 metres, Men Glen Abrahams 8 h2 r1/4
5,000 metres, Men Orlando Mora 11 h4 r1/3
10,000 metres, Men Orlando Mora 13 h2 r1/2
Marathon, Men Ronaldo Lanzoni DNF

Football

Football, Men Costa Rica =13
Alejandro González • Álvaro Solano • Carlos Santana • Carlos Toppings • César Hines • Enrique Díaz • Enrique Rivers • Evaristo Coronado • Germán Chavarría • Guillermo Guardia • Juan Cayasso • Leonidas Flores • Luis Galagarza • Marcos Rojas • Marvin Obando • Miguel Simpson • Minor Alpízar

Judo

Extra-Lightweight, Men Ronny Sanabria =18
Half-Lightweight, Men Andrés Sancho =33
Lightweight, Men Álvaro Sanabria =19
Half-Middleweight, Men Javier Cóndor =34

Shooting

Free Pistol, Men Mariano Lara =25
Air Rifle, Men Roger Cartín 52
Air Rifle, Women Elizabeth Jagush 32

Swimming

200 metres Breaststroke, Men Andrey Aguilar 29
200 metres Butterfly, Men Andrey Aguilar 30
200 metres Individual Medley, Men Andrey Aguilar 26