Aluterus is a genus of filefishes. This genus is larger-bodied than many other monacanthids, with Aluterus scriptus being the largest filefish species, reaching in total length.
There are currently 4 recognized extant species in this genus:
The fossil species Aluterus shigensis <small>Miyajima, Koike & Matsuoka, 2014</small> is known from the Middle Miocene of Nagano, Japan.
The following cladogram is based on a 2016 molecular study of filefish and triggerfish (Balistidae):