| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Stig-Olof•Grenner | |
| Used name | Stig-Olof•Grenner | |
| Nick/petnames | Juffi | |
| Born | 6 May 1939 in Helsinki, Uusimaa |  FIN |
| Died | 14 March 2008 (aged 68 years 10 months 8 days) in Helsinki, Uusimaa | FIN |
| Measurements | 191 cm / 86-88 kg | |
| Affiliations | Helsingfors Simsällskap — Helsinki, Uusimaa | FIN |
| NOC | Finland | FIN |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1960 Summer Olympics | Swimming (Aquatics) | FIN |
Stig-Olof Grenner | |||
| 4 × 200 metres Freestyle Relay, Men (Olympic) | Finland | 5 | ||||
| 100 metres Backstroke, Men (Olympic) | =12 | |||||
| 4 × 100 metres Medley Relay, Men (Olympic) | Finland | 14 |
