Cameroonian may refer to:
- Something of, from, or related to the country of Cameroon
- A person from Cameroon, or of Cameroonian descent. For information about the Cameroonian people, see Demographics of Cameroon and Culture of Cameroon. For specific persons, see Lists of Cameroonians.
- Cameroonian Pidgin English. See also Languages of Cameroon.
- Cameroonian cuisine