Tanzania is a country on the Swahili Coast of the East African coast, composed of mainland Tanganyika and insular Zanzibar.
Tanzania may also refer to:
- Tanzania (spider), a genus of African jumping spider
- Mainland Tanzania, as opposed to insular Zanzibar, the former Tanganyika
- Tanzania Craton, a geologic craton in Tanzania
- Open University of Tanzania, Dar Es Salaam, Tanzania
- Air Tanzania, an airline, the flag carrier of Tanzania