Aroa is a genus of moths in the family Lymantriidae. Species are distributed in South Africa, China, throughout India, Sri Lanka, Myanmar, and Java.
Aroa may refer to:
- Aroa, genus of moths
- Aroa mines, a defunct copper mine in Yaracuy, Venezuela
- Aroa, Venezuela, the capital of Bolívar Municipality, Yaracuy, Venezuela
- Aroa River (Venezuela), a river of Venezuela
- Aroa River (Papua New Guinea), a river of Papua New Guinea