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.
Archery
In its second archery competition at the Olympics, Costa Rica again entered two men.
;Men's individual
- Juan Wedel — 2146 points (→ 35th place)
- Jorge Murillo — 2127 points (→ 36th place)
Football
Preliminary round (group D)
July 21, 1980
Costa Rica - Iraq 0-3 (0–1) Republican Stadium, Kyiv
July 23, 1980
Yugoslavia - Costa Rica 3-2 (2–1) Dinamo Stadium, Minsk
July 25, 1980
Finland - Costa Rica 3-0 (1–0) Republican Stadium, Kyiv
Final standings group D
- Yugoslavia 3 2 1 0 ( 6- 3) 5 *
- Iraq 3 1 2 0 ( 4- 1) 4 *
- Finland 3 1 1 1 ( 3- 2) 3
- Costa Rica 3 0 0 3 ( 2- 9) 0
- Qualified for quarter-finals
Team roster
Head coach: Antonio Moyano
{| border="0" width="100%" style="border: 1px solid #999; background-color:#FFFFFF; text-align:center"
|-align="center" bgcolor="#AAD0FF"
!width=4%|No.
!width=4%|Pos.
!width=23%|Player
!width=12%|DoB
!width=4%|Age
!width=4%|Caps
!width=21%|Club
!width=6%|<small>Tournament<br>games</small>
!width=6%|<small>Tournament<br>goals</small>
!width=4%|<small>Minutes<br>played</small>
!width=4%|<small>Sub off</small>
!width=4%|<small>Sub on</small>
!width=4%|<small>Cards<br>yellow/red</small>
|-
| 1 || GK ||align="left"| Julio Morales || May 23, 1957 || 23 || ? ||align="left"| C.S. Cartaginés || 3 || 0 || 270 || 0 || 0 || 0
|-bgcolor="#EFEFEF"
| 2 || DF ||align="left"| Javier Masís || April 16, 1953 || 27 || ? ||align="left"| Deportivo Saprissa || 3 || 0 || 249 || 1 || 0 || 0
|-
| 3 || DF ||align="left"| Ricardo García || Jul 31, 1955 || 24 || ? ||align="left"| Puntarenas || 3 || 0 || 270 || 0 || 0 || 0
|-bgcolor="#EFEFEF"
| 4 || DF ||align="left"| Carlos Toppings || Apr 7, 1953 || 27 || ? ||align="left"| Puntarenas || 3 || 0 || 270 || 0 || 0 || 0
|-
| 5 || DF ||align="left"| Carlos Jiménez || Jun 27, 1954 || 26 || ? ||align="left"| C.S. Cartaginés || 1 || 0 || 14 || 1 || 0 || 0
|-bgcolor="#EFEFEF"
| 6 || DF ||align="left"| Dennis Marshall || Dec 18, 1959 || 20 || ? ||align="left"| ML Limón || 2 || 0 || 52 || 0 || 2 || 0
|-
| 7 || MD ||align="left"| Francisco Hernández || Jul 11,1949 ||31 || ? ||align="left"| Deportivo Saprissa || 3 || 0 || 270 || 0 || 0 || 0
|-bgcolor="#EFEFEF"
| 8 || MD ||align="left"| Tomás Velásquez ||Dec 16, 1957 || 22 || ? ||align="left"| Puntarenas || 3 || 0 || 270 || 0 || 0 || 0
|-
| 9 || FW ||align="left"| Jorge White || Nov 12, 1957 ||22 || ? ||align="left"| LD Alajuelense || 3 || 1 || 270 || 0 || 0 || 0
|-bgcolor="#EFEFEF"
| 10 || MD ||align="left"| Róger Alvarez || Nov 13, 1952 || 27 || ? ||align="left"| Herediano || 3 || 0 || 160 || 3 || 0 || 0
|-
| 11 || FW ||align="left"| Marvin Obando || Apr 4, 1960 || 20 || ? ||align="left"| Herediano || 3 || 0 || 270 || 0 || 0 || 0
|-bgcolor="#EFEFEF"
| 12 || DF ||align="left"| Minor Alpízar || Sep 27, 1959 || 20 || ? ||align="left"| Ramonense || 2 || 0 || 166 || 0 || 1 || 0
|-
| 13 || MD ||align="left"| William Avila || Oct 27, 1956 || 23 || ? ||align="left"| San Carlos || 1 || 0 ||30 || 0 || 1 || 0
|-bgcolor="#EFEFEF"
| 14 || FW ||align="left"| Omar Arroyo ||May 22, 1955 ||25 || ? ||align="left"| Alajuelense || 3 || 1 || 270 || 0 || 0 || 0
|-
| 15 || FW ||align="left"| Luis Fernández || Apr 02, 1953 || 20 || ? ||align="left"| Deportivo Saprissa || 1 || 0 || 59 || 1 || 0 || 0
|-bgcolor="#EFEFEF"
| 16 || MD ||align="left"| Herberth Quesada || Sep 28, 1959 || 20 || ? ||align="left"|C.S. Cartaginés || 2 || 0 || 80 || 0 ||2 || 0
|-
| 17 || GK ||align="left"| Carlos Bismark Duarte || || || ? ||align="left"| Puntarenas || 0 || 0 || 0 || 0 || 0 || 0
|}
Judo
;Men's 60 kg (Extra-Lightweight)
- Ronny Sanabria (13th place)
;Men's 65 kg (Half-Lightweight)
- Alvaro Sanabria (=19th place)
;Men's 71 kg (Lightweight)
- Manuel Chavez (=19th place)
Shooting
;Mixed 25 metre rapid fire pistol
- Marco Hidalgo (=31st place)
;Mixed 50 metre pistol
- Mariano Lara (26th place)
- Rodrigo Ruiz (29th place)
- Mixed 50 metre rifle prone
- Roger Cartín (53th place)
- Mauricio Alvarado (54th place)
;Mixed 50 metre rifle three positions
- Mauricio Alvarado (38th place)
- Roger Cartín (39th place)
;Mixed skeet
- Álvaro Guardia (=44th place)
Swimming
{| class=wikitable style="text-align: center;"
|-
! Event !! Athlete !! Result
|-
|align=left| Men's 200 metre breaststroke || colspan=1 rowspan=4 | Andrey Aguilar || 17th
|-
|align=left| Men's 100 metre butterfly || 25th
|-
|align=left| Men's 200 metre butterfly || 19th
|-
|align=left| Men's 400 metre individual medley || 22nd
|-
|align=left| Women's 100 metre freestyle || colspan=1 rowspan=6 | María París || 21st
|-
|align=left| Women's 200 metre freestyle || did not start
|-
|align=left| Women's 100 metre backstroke || 22nd
|-
|align=left| Women's 200 metre backstroke || did not start
|-
|align=left| Women's 100 metre butterfly || 6th
|-
|align=left| Women's 200 metre butterfly || 6th
|-
|}
Notes
References
- Official Olympic Reports
