Reka may refer to:
- Řeka, a village in the Czech Republic
- Reka, California, a former settlement in California, United States
- Reka (river), a river in Slovenia and Italy
- Reka, Croatia, a village near Koprivnica, Croatia
- Reka, Laško, a village in Slovenia
- Reka (Kladovo), a village in Serbia
- The Reka Devnia hoard of Roman silver
- Reka dialect of Macedonian
- Slovene name for Rijeka, a city in northwestern Croatia
- Réka, a given name in Hungary