Leptotrophon minispinosus is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.
The length of the shell attains 11.1 mm.
This marine species occurs off New Caledonia at a depth of 260 m.
Houart, R. (1995). The Trophoninae (Gastropoda: Muricidae) of the New Caledonia region. in: Bouchet, P. (Ed.) Résultats des Campagnes MUSORSTOM 14. Mémoires du Muséum national d'Histoire naturelle. Série A, Zoologie. 167: 459–498.