| Gergana Slavcheva | |
| Height M: | 1.88 |
| Position: | Small forward |
| Birth Date: | 20 October 1979 |
| Birth Place: | Sofia, Bulgaria |
| College: | FIU (1998–2002) |
| Draft League: | WNBA |
| Draft Year: | 2002 |
| Draft Round: | 2 |
| Draft Pick: | 30 |
| Draft Team: | Phoenix Mercury |
| Career Start: | 1998 |
| Career End: | 2013 |
| Years1: | 2003 |
| Team1: | Phoenix Mercury |
| Years2: | 2003–2005 |
| Team2: | Basket Spezia Club |
| Years3: | 2005–2006 |
| Team3: | AS Vicenza |
| Years4: | 2006–2007 |
| Team4: | Tarbes Gespe Bigorre |
| Years5: | 2007–2009 |
| Team5: | ASDG Comense 1872 |
| Years6: | 2010–2011 |
| Team6: | Libertas Trogylos Basket |
| Years7: | 2011–2013 |
| Team7: | Basket Parma |
Gergana Slavcheva (Bulgarian: Гергана Славчева), married Simeonov (Bulgarian: Симеонов) (born 20 October 1979) is a Bulgarian former basketball player.