| Noc: | CRC |
| Nocname: | Comité Olímpico de Costa Rica |
| Games: | Summer Olympics |
| Year: | 1988 |
| Website: | |
| Location: | Seoul |
| Competitors: | 16 |
| Sports: | 6 |
| Flagbearer: | Sigrid Niehaus[1] |
| Rank: | 36 |
| Gold: | 0 |
| Silver: | 1 |
| Bronze: | 0 |
| Appearances: | auto |
Costa Rica competed at the 1988 Summer Olympics in Seoul, South Korea. Silvia Poll won the nation's first Olympic medal, a silver.
The following is the list of number of competitors in the Games.[2]
| width=180 | Sport | width=55 | Men | width=55 | Women | width=55 | Total |
|---|---|---|---|---|---|---|---|
| Athletics | 3 | 1 | 4 | ||||
| Boxing | 1 | – | 1 | ||||
| Judo | 1 | – | 1 | ||||
| Shooting | 1 | 0 | 1 | ||||
| Swimming | 2 | 6 | 8 | ||||
| Weightlifting | 1 | – | 1 | ||||
| Total | 9 | 7 | 16 |
See main article: Athletics at the 1988 Summer Olympics.
| Athlete | Event | Final | ||
|---|---|---|---|---|
| Time | Rank | |||
| Juan Amores | align=left rowspan=3 | Marathon | 2:24:49 | 45 |
| Ronald Lanzoni | 2:23:45 | 40 | ||
| Luis López | 2:32:43 | 68 | ||
See main article: Boxing at the 1988 Summer Olympics.
See main article: Judo at the 1988 Summer Olympics.
See main article: Shooting at the 1988 Summer Olympics.
See main article: Swimming at the 1988 Summer Olympics.
| Athlete | Event | Heats | Final A/B | |||
|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | |||
| align=left rowspan=3 | Eric Greenwood | 100 m backstroke | 1:03.11 | 45 | Did not advance | |
| 200 m backstroke | 2:15.42 | 35 | Did not advance | |||
| 200 m individual medley | 2:15.64 | 43 | Did not advance | |||
| align=left rowspan=3 | Horst Niehaus | 100 m backstroke | 1:01.91 | 42 | Did not advance | |
| 200 m backstroke | 2:12.83 | 34 | Did not advance | |||
| 200 m individual medley | 2:16.16 | 44 | Did not advance | |||
| Athlete | Event | Heats | Final A/B | |||
|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | |||
| Natasha Aguilar | 200 m freestyle | 2:10.22 | 34 | Did not advance | ||
| Marcela Cuesta | 100 m butterfly | 1:07.66 | 33 | Did not advance | ||
| align=left rowspan=2 | Montserrat Hidalgo | 100 m breaststroke | 1:18.42 | 36 | Did not advance | |
| 200 m breaststroke | 2:44.72 | 37 | Did not advance | |||
| align=left rowspan=2 | Carolina Mauri | 50 m freestyle | 27.96 | 33 | Did not advance | |
| 100 m freestyle | 1:00.14 | 41 | Did not advance | |||
| align=left rowspan=2 | Sigrid Niehaus | 100 m breaststroke | 1:16.65 | 35 | Did not advance | |
| 200 m breaststroke | 2:45.35 | 38 | Did not advance | |||
| align=left rowspan=3 | Sylvia Poll | 100 m freestyle | 56.16 | 5 FA | 55.90 | 5 |
| 200 m freestyle | 1:59.22 | 2 FA | 1:58.67 | |||
| 100 m backstroke | 1:03.21 | 6 FA | 1:03.34 | 6 | ||
| Natasha Aguilar Marcela Cuesta Carolina Mauri Sylvia Poll | 4 × 100 m freestyle relay | 3:59.67 | 12 | Did not advance | ||
| Sylvia Poll Sigrid Niehaus Marcela Cuesta Carolina Mauri | 4 × 100 m medley relay | 4:31.75 | 15 | Did not advance | ||
See main article: Weightlifting at the 1988 Summer Olympics.