| Named By: | R. B. J. Benson, H. F. Ketchum, D. Naish and L. E. Turner in 2012 |
| Time Period: | Early Cretaceous, 127-125 Ma |
| Location: | England, Isle of Wight - Vectis Formation |
| Size: | Unavailable |
| Diet: | Piscivore |
| Fossil(s): | Partial post cranial remains |
| Classification: | | Chordata | Sauropsida | Sauropterygia | Plesiosauria | Leptocleididae | |
Vectocleidus is an extinct genus of leptocleidid plesiosaurian known from the Early Cretaceous Vectis Formation (late Barremian stage) of Isle of Wight, in the United Kingdom. It contains a single species, Vectocleidus pastorum.