Caerau may refer to:
- Caerau, Anglesey, a hamlet on Anglesey, north Wales
- Caerau, Bridgend, a village near Maesteg, south Wales
- Caerau F.C., Maesteg
- Caerau railway station
- Caerau (Bridgend electoral ward), an electoral ward in Maesteg, Wales
- Caerau, Cardiff, a district (and electoral ward) of the city of Cardiff, Wales