| Position: | Defence |
| Height Ft: | 5 |
| Height In: | 9 |
| Weight Lb: | 187 |
| Shoots: | Right |
| Birth Date: | 7 June 1995 |
| Birth Place: | Zvolen, Slovakia |
| Team: | HC 21 Prešov |
| League: | Slovak |
| Former Teams: | HKM Zvolen HK Orange 20 HC 07 Detva |
| Career Start: | 2012 |
Frederik Fekiač (born June 7, 1995) is a Slovak professional ice hockey defenceman currently playing for HC 21 Prešov of the Slovak Extraliga.
Fekiač previously played for HKm Zvolen, making his professional debut with the team during the 2012–13 season.[1] He would divide his team between Zvolen and HC 07 Detva between 2015 and 2017 before joining Detva permanently in 2017.
He is the younger brother of centre Viktor Fekiač and the two have often been teammates throughout their careers.