King River may refer to:
- Communities
- Watercourse
- King River (Northern Territory), a river in the Northern Territory, Australia
- King River (Queensland), a river in Queensland, Australia
- King River (Tasmania), a river in Tasmania, Australia
- King River (Victoria), a river in Victoria, Australia
- King River (Kimberley region, Western Australia), a river in the Kimberley region of Western Australia
- King River (Western Australia), a river in Western Australia