Xantho is a genus of crabs in the family Xanthidae, containing five extant species, all restricted to the north-east Atlantic Ocean and Mediterranean Sea, although Xantho granulicarpis is not universally recognised as a separate species from Xantho hydrophilus:
Xantho granulicarpus Forest, 1953
Xantho hydrophilus (Herbst, 1790)
Xantho pilipes A. Milne-Edwards, 1867
Xantho poressa (Olivi, 1792)
Xantho sexdentatus (Miers, 1881)Five species are known from the fossil record, including one species that is still extant.