| Roles | Referee | |
|---|---|---|
| Sex | Male | |
| Full name | John Stanley•Wontumi | |
| Used name | John•Wontumi | |
| Born | 1925 in Accra, Greater Accra |  GHA |
| NOC | Ghana | GHA |
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 1964 Summer Olympics | Football (Football) | GHA |
John Wontumi | ||||
| Football, Men (Olympic) | Match 1/2 | Hungary — Czechoslovakia | Linesman | ||||
| Football, Men (Olympic) | Match #1 | Czechoslovakia — Unified Team of Germany | Linesman | ||||
| Football, Men (Olympic) | Match #1 | Unified Team of Germany — Iran | Linesman | ||||
| Football, Men (Olympic) | Match #3 | Iran — Mexico | Referee |
