Caymanian may refer to:
- Something of, from, or related to the Cayman Islands, a British overseas territory located in the western Caribbean Sea, comprising the islands of Grand Cayman, Cayman Brac, and Little Cayman.
- A person from the Cayman Islands, or of Caymanian descent. For information about the Caymanian people, see Demographics of the Cayman Islands and Culture of the Cayman Islands. For specific persons, see List of Caymanians.
- Note that there is no language called "Caymanian". See Languages of the Cayman Islands.
- Caymanian cuisine