Jan Keizer
Biographical information
| Roles | Referee |
|---|---|
| Sex | Male |
| Full name | Johannes Nicolaas Ignatius "Jan"•Keizer |
| Used name | Jan•Keizer |
| Born | 6 October 1940 in Volendam, Noord-Holland (NED) |
| NOC |  Netherlands |
Referee
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 1984 Summer Olympics | Football (Football) | NED |
Jan Keizer | ||||
| Football, Men (Olympic) | Match 1/2 | France — Brazil | Referee | ||||
| Football, Men (Olympic) | Match #2 | France — Egypt | Linesman | ||||
| Football, Men (Olympic) | Match #4 | Chile — Qatar | Linesman | ||||
| Football, Men (Olympic) | Match #6 | Chile — France | Referee | ||||
| Football, Men (Olympic) | Match #2 | Yugoslavia — Cameroon | Referee |