Veneficoceras is a genus of the rod-bearing Baltoceratidae, an extinct cephalopod family with characteristics of the orthoceratoid Dissidocerida, found in Cassinianage, Lower Ordovician, limestone in western Utah.

Veneficoceras has a large tubular siphuncle with thin connecting rings that lies along the interior ventral margin.

In cross section a complete lining all around would probably appear, with a dorsally offset central opening.

Veneficoceras is represented only by the type species, Venificoceras susanae of which there is only the holotype, a 40 millimetres (1.6 in) long portion of a phragmocone that came from a little over 15 metres (49 ft) above the base of the Wahwah limestone in the Ibex area, western Utah.

Veneficaceras is named for the witch in the Tajar stories by Jane Shaw Ward.