Nigeria is a country in West Africa.
Nigeria or Nigerian may also refer to:
- Nigeria national football team
- Colonial Nigeria
- Languages of Nigeria
- Nigerian cuisine
- Nigerian Pidgin
- 45619 Nigeria, a British LMS Jubilee Class locomotive
- HMS Nigeria, a light cruiser of the Royal Navy completed early in World War II
- NNS Nigeria, an Algerine-class minesweeper of the Nigerian Navy from 1959 to 1962 period
- NNS Nigeria, a frigate of the Nigerian Navy, entering service in 1965
- Nigeria (Grant Green album)
- Nigeria (Oluyemi Thomas album)