Not to be confused with Chaetodon trifasciatus (Melon Butterflyfish). See also Chaetodon tricinctus (Three-striped Butterflyfish) and Three-banded Butterflyfish.

For the Philippines Chevron Butterflyfish, see Chaetodon xanthurus. "Triangulate butterflyfish" redirects here; for the triangular butterflyfishes, see C. baronessa and Chaetodon triangulum

The Chevron Butterflyfish (Chaetodon trifascialis), also known as Triangulate Butterflyfish or V-lined Butterflyfish, is a species of butterflyfish (family Chaetodontidae) found in the Indo-Pacific from the Red Sea and East Africa to the Hawaiian and Society Islands.