| Marcela Kubalčíková | |
| Fullname: | Marcela Kubalčíková |
| Strokes: | Backstroke and butterfly |
| Club: | SK Zlín |
| Birth Date: | 23 April 1973 |
| Birth Place: | Zlín |
| Weight: | 66kg (146lb) |
Marcela Kubalčíková (born April 23, 1973) is a retired female backstroke and butterfly swimmer from the Czech Republic, who competed for her native country at the 1996 Olympic Games in Atlanta, Georgia.