Trochus fultoni is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Trochus fultoni Melvill, 1898, which is currently in use for a species from the Gulf of Oman is a junior homonym of Trochus fultoni G.B. Sowerby III, 1890 (which has become a synonym of Cantharidus fultoni (G.B. Sowerby III, 1890), described from South Africa.