Gaillardiellus is a genus of crabs in the family Xanthidae, containing the following species:Gaillardiellus alphonsi Gaillardiellus bathus Davie, 1997 Gaillardiellus holthuisi Takeda & Komatsu, 2010 Gaillardiellus orientalis Gaillardiellus rueppelli Gaillardiellus superciliaris