| Noc: | CRC |
| Nocname: | Comité Olímpico de Costa Rica |
| Games: | Summer Olympics |
| Year: | 1980 |
| Website: | |
| Location: | Moscow |
| Competitors: | 29 (28 men, 1 woman) |
| Sports: | 5 |
| Flagbearer: | María París |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Appearances: | auto |
Costa Rica competed at the 1980 Summer Olympics in Moscow, USSR. The Costa Rican contingent comprised 29 competitors in five sports. Maria del Milagro Paris, a swimmer, was the only woman among Costa Rican competitors.
In its second archery competition at the Olympics, Costa Rica again entered two men.
Men's Individual Competition:
July 21, 1980Costa Rica - Iraq 0-3 (0-1) Republican Stadium, Kyiv
July 23, 1980Yugoslavia - Costa Rica 3-2 (2-1) Dinamo Stadium, Minsk
July 25, 1980Finland - Costa Rica 3-0 (1-0) Republican Stadium, Kyiv
Head coach: 
Antonio Moyano
| width=4% | No. | width=4% | Pos. | width=23% | Player | width=12% | DoB | width=4% | Age | width=4% | Caps | width=21% | Club | width=6% | Tournament games | width=6% | Tournament goals | width=4% | Minutes played | width=4% | Sub off | width=4% | Sub on | width=4% | Cards yellow/red |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | May 23, 1957 | 23 | ? | 3 | 0 | 270 | 0 | 0 | 0 | ||||||||||||||||
| 2 | April 16, 1953 | 27 | ? | 3 | 0 | 249 | 1 | 0 | 0 | ||||||||||||||||
| 3 | Jul 31, 1955 | 24 | ? | 3 | 0 | 270 | 0 | 0 | 0 | ||||||||||||||||
| 4 | Apr 7, 1953 | 27 | ? | 3 | 0 | 270 | 0 | 0 | 0 | ||||||||||||||||
| 5 | Jun 27, 1954 | 26 | ? | 1 | 0 | 14 | 1 | 0 | 0 | ||||||||||||||||
| 6 | Dec 18, 1959 | 20 | ? | 2 | 0 | 52 | 0 | 2 | 0 | ||||||||||||||||
| 7 | Jul 11,1949 | 31 | ? | 3 | 0 | 270 | 0 | 0 | 0 | ||||||||||||||||
| 8 | Dec 16, 1957 | 22 | ? | 3 | 0 | 270 | 0 | 0 | 0 | ||||||||||||||||
| 9 | Nov 12, 1957 | 22 | ? | 3 | 1 | 270 | 0 | 0 | 0 | ||||||||||||||||
| 10 | Nov 13, 1952 | 27 | ? | 3 | 0 | 160 | 3 | 0 | 0 | ||||||||||||||||
| 11 | Apr 4, 1960 | 20 | ? | 3 | 0 | 270 | 0 | 0 | 0 | ||||||||||||||||
| 12 | Sep 27, 1959 | 20 | ? | 2 | 0 | 166 | 0 | 1 | 0 | ||||||||||||||||
| 13 | Oct 27, 1956 | 23 | ? | 1 | 0 | 30 | 0 | 1 | 0 | ||||||||||||||||
| 14 | May 22, 1955 | 25 | ? | 3 | 1 | 270 | 0 | 0 | 0 | ||||||||||||||||
| 15 | Apr 02, 1953 | 20 | ? | 1 | 0 | 59 | 1 | 0 | 0 | ||||||||||||||||
| 16 | Sep 28, 1959 | 20 | ? | 2 | 0 | 80 | 0 | 2 | 0 | ||||||||||||||||
| 17 | ? | 0 | 0 | 0 | 0 | 0 | 0 |
* Ronny Sanabria * Alvaro Sanabria * Manuel Chavez
Women's 100m Butterfly