Chadian

Chadian may refer to:
 * Something of, from, or related to the country of Chad
 * A person from Chad, or of Chadian descent. For information about the Chadian people, see Demographics of Chad and Culture of Chad. For specific persons, see List of Chadians
 * Chadian Arabic, a dialect of Arabic, is the lingua franca of Chad
 * Chadic languages. See also Languages of Chad
 * Chadian (stage), a substage in the British stratigraphy of the Carboniferous
 * Chadian (town) (茶淀镇), town in Binhai New Area, Tianjin, China