| 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 (CRO) |
| NOC |  Yugoslavia |
| 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 |
