Opawa may refer to:
Poland Opawa, Lower Silesian Voivodeship, a village in south-western Poland
New Zealand Ōpaoa River (formerly called the Opawa River), a river through Blenheim Opawa River Bridge, a bridge in Blenheim Little Opawa River, a river in South Canterbury Opawa, a suburb of Christchurch, New Zealand.
See also Opava, a city in the northern Czech Republic on the river Opava Opava (disambiguation)