Wairoa River From Wikipedia the free encyclopedia Wairoa may refer to any of these watercourses in New Zealand: Wairoa River (Auckland) Wairoa River (Bay of Plenty) Wairoa River (Hawke's Bay) Wairoa River (Northland) Wairoa River (Tasman) Wairoa Stream (Motiti Island) Topics referred to by the same termThis disambiguation page lists articles about distinct geographical locations with the same name. If an internal link led you here, you may wish to change the link to point directly to the intended article.