Nassa francolina, the francolina jopas, is a species of sea snail, a marine gastropod mollusc in the family Nassariidae, the nassa mud snails.
This species occurs in the Indian Ocean off the Aldabra Atoll, Chagos and the Mascarene Basin and in the Pacific Ocean off Western Australia and Papua New Guinea.
The shell size varies between 33 mm and 70 mm.