| Roles | Referee |
|---|---|
| Sex | Male |
| Full name | Juuf•van Ballegooijen de Jong |
| Used name | Juuf•van Ballegooijen de Jong |
| NOC | Netherlands |
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 1960 Summer Olympics | Hockey | NED |
Juuf van Ballegooijen de Jong | ||||
| Hockey, Men (Olympic) | Quarter-Finals | Spain — New Zealand | Umpire 2 | ||||
| Hockey, Men (Olympic) | Classification Round 5-8 | New Zealand — Unified Team of Germany | Umpire 1 | ||||
| Hockey, Men (Olympic) | Classification Round 5-8 | Australia — Kenya | Umpire 2 | ||||
| Hockey, Men (Olympic) | Classification Round 5-8 | New Zealand — Australia | Umpire 2 | ||||
| Hockey, Men (Olympic) | Group B | Pakistan — Australia | Umpire 1 | ||||
| Hockey, Men (Olympic) | Group D | Belgium — Great Britain | Umpire 2 |