| Intro | Sierra Leonean boxer |
| Is |
Athlete Boxer |
| From | Sierra Leone |
| Type | Sports |
| Gender | male |
| Birth | 13 February 1940, Freetown |
| Age: | 80 years |
John Coker (born 13 February 1940) is a Sierra Leonean boxer. He competed in the men’s heavyweight event at the 1968 Summer Olympics. He was also the flag bearer for Sierra Leone at the 1968 Games.