| Named By: | J. Falconnet, M. Andriamihaja, E. Lang & J. inS. B. Steyer in 2012 |
| Time Period: | Early Triassic |
| Location: | Madagascar- Middle Sakamena Formation |
| Size: | Uncertain, holotype is of a juvenile |
| Diet: | Unavailable |
| Fossil(s): | Mostly complete juvenile |
| Classification: | | Chordata | Reptilia | Procolophonomorpha | Procolophonidae | |
Lasasaurus is an extinct genus of procolophonid parareptile known from the Early Triassic Middle Sakamena Formation, of northern Madagascar.