| Named By: | Dames 1890 |
| Time Period: | Middle Triassic |
| Location: | Netherlands |
| Size: | Uncertain |
| Diet: | Uncertain |
| Fossil(s): | Fragmentary remains |
| Classification: | | Chordata | Reptilia | Sauropterygia | Pachypleurosauroidea | |
Anarosaurus is an extinct genus of pachypleurosaurs that lived in the Middle Triassic period (Anisian).