Sepia angulata is a species of cuttlefish native to the southeastern Atlantic Ocean, from Bloubergstrand (33°48′S 18°27′E / 33.800°S 18.450°E) to Still Bay (34°23′S 21°25′E / 34.383°S 21.417°E). It is knownonly from cuttlebones. The validity of S. angulata has been questioned. Cuttlebones of this species are up to 75 mm in length. The type specimen was collected near Bloubergstrand, South Africa (33°48′S 18°27′E / 33.800°S 18.450°E) and is deposited at the South African Museum.