| Birth Date: | October 2, 1971 |
| Height Ft: | 5 |
| Height In: | 9 |
| Weight Lb: | 163 |
| Position: | Defence |
| Shoots: | Left |
| Played For: | HC Litvínov HC Železárny Třinec HC Plzeň HC SKP Poprad HC Vítkovice |
| Ntl Team: | CZE |
| Career Start: | 1989 |
| Career End: | 2007 |
Ondřej Zetek (born October 2, 1971) is a Czech former professional ice hockey defenceman.
Zetek played in the Czechoslovak First Ice Hockey League and the Czech Extraliga for HC Litvínov, HC Železárny Třinec, HC Plzeň and HC Vítkovice.[1] He also played one season in the Tipsport Liga for HC SKP Poprad during the 1998–99 season.[2]