Brachystephanus (disambiguation)

Brachystephanus may refer to:
 * Brachystephanus, a genus of plants in the family Acanthaceae
 * Brachystephanus (mammal), a genus of notoungulates in the family Oldfieldthomasiidae
 * Antepithecus brachystephanus, a species of notoungulates in the family Interatheriidae from the Eocene of South America