| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Gunnar Huseland•Grantz |
| Used name | Gunnar•Grantz |
| Born | 27 January 1885 in Oslo, Oslo (NOR) |
| Died | 8 February 1941 in Brooklyn, New York, New York (USA) |
| Affiliations | Christiania Roklub, Oslo (NOR) |
| NOC | Norway |
Deceased, date unknown.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1912 Summer Olympics | Rowing | NOR |
Gunnar Grantz | |||
| Coxed Fours, Inriggers, Men (Olympic) | Kristiania Roklub | 2 h1 r1/3 | ||||
| Eights, Men (Olympic) | Kristiania Roklub | 2 h4 r1/4 |