Dosso might refer to either:
- Dosso in Niger:
- Dosso Region, a region in Niger
- Dosso (department), a département in Niger
- Dosso, Niger, a town, capital of the Dosso département
- Dosso Kingdom, the pre-colonial and modern ceremonial power in Dosso.
- the Dosso meteorite of 1962, which fell in Dosso, Niger (see meteorite falls)
- Dosso Dossi (c. 1490–1542), an Italian High Renaissance painter