| Katarína Dubajová | |
| Nationality: | Slovak |
| Birth Date: | 9 December 1978 |
| Position: | Right back |
| Currentclub: | Retired |
| Nationalyears1: | 1996-2015 |
| Nationalteam1: | Slovakia |
| Nationalcaps1: | 217[1] |
| Nationalgoals1: | 835 |
Katarína Dubajová (born 9 December 1978) is a Slovak handball player. She recently played for MKS Olimpia/Beskid Nowy Sącz and the Slovak national team, but is now retired.