| John Mena | |
| Full Name: | John Jairo Mena |
| Birth Date: | 23 February 1968 |
| Sport: | Athletics |
| Education: | Universidad Central de Bogotá |
John Jairo Mena (born 23 February 1968) is a retired Colombian sprinter. He won a gold medal in the 100 metres at the 1989 South American Championships.
| Representing | |||||
|---|---|---|---|---|---|
| 1989 | Bolivarian Games | Maracaibo, Venezuela | 8th | 200 m | 22.75 |
| bgcolor=silver | 2nd | 4 × 100 m relay | 40.91 | ||
| South American Championships | Medellín, Colombia | bgcolor=gold | 1st | 100 m | 10.4 |
| 5th (h) | 200 m | 21.411 | |||
| bgcolor=silver | 2nd | 4 × 100 m relay | 39.87 | ||
| 1990 | Ibero-American Championships | Manaus, Brazil | 7th | 200 m | 22.05 |
| 1992 | Ibero-American Championships | Seville, Spain | 7th | 200 m | 22.05 |
| 5th | 4 × 100 m relay | 40.50 | |||
| 1993 | South American Championships | Lima, Peru | 7th | 100 m | 10.98 |
| Central American and Caribbean Games | Ponce, Puerto Rico | 8th | 100 m | 10.85 | |
| 3rd | 4 × 100 m relay | 40.09 | |||
| 1995 | South American Championships | Manaus, Brazil | 6th | 100 m | 10.63 |
| bgcolor=silver | 2nd | 4 × 100 m relay | 40.31 | ||
| Pacific Ocean Games | Cali, Colombia | bgcolor=gold | 1st | 4 × 100 m relay | 39.81 |
| Central American and Caribbean Championships | Guatemala City, Guatemala | 3rd | 4 × 100 m relay | 39.65 | |
| Universiade | Fukuoka, Japan | 26th (q) | 100 m | 10.81 | |
| 31st (q) | 200 m | 21.93 | |||
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