Acanthochitona bednalli, the Bednall's chiton, is a species of chiton in the family Acanthochitonidae.

[2] Acanthochitona bednalli can reach a length of about 28 millimetres (1.1 in).

[1][3] This species has a broad girdle surrounding the valves.

This species is endemic to southeastern and southwestern Australia.

[3][4][5] These chitons live subtidally on rocks.