| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Antun•Grego | |
| Used name | Antun•Grego | |
| Other names | Антун Грего | |
| Born | 8 December 1940 in Omišalj, Primorsko-goranska županija |  CRO |
| Measurements | 168 cm / 68 kg | |
| Affiliations | JK Galeb — Kostrena, Primorsko-goranska županija | CRO |
| NOC | Yugoslavia |  YUG |
| Nationality | Croatia |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | Nationality | As | |
|---|---|---|---|---|---|---|---|
| 1968 Summer Olympics | Sailing | YUG |
CRO |
Antun Grego | |||
| Two-Person Heavyweight Dinghy, Open (Olympic) | Simo Nikolić | 13 | |||||
| 1972 Summer Olympics | Sailing | YUG |
CRO |
Antun Grego | |||
| Two-Person Heavyweight Dinghy, Open (Olympic) | Simo Nikolić | 5 |
