| Kateřina Pivoňková | |
| Fullname: | Kateřina Pivoňková |
| Strokes: | Backstroke |
| Club: | USK Praha |
| Birth Date: | 6 May 1979 |
| Birth Place: | Vlašim, Středočeský |
| Weight: | 68kg (150lb) |
Kateřina Pivoňková (born 6 May 1979 in Vlašim, Středočeský) is a retired female backstroke swimmer from the Czech Republic, who twice competed for her native country at the Olympic Games: in 1996 and 2004.