| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Harnam•Singh Grewal | |
| Used name | Harnam•Singh Grewal | |
| Born | 5 December 1937 in Hong Kong, Hong Kong |  HKG |
| Measurements | 183 cm / 70 kg | |
| Affiliations | Nav Bharat Club — Hong Kong, Hong Kong | HKG |
| NOC | Hong Kong, China | HKG |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1964 Summer Olympics | Hockey | HKG |
Harnam Singh Grewal | |||
| Hockey, Men (Olympic) | Hong Kong | 15 |
