Baisesaurus
| Baisesaurus Temporal range: Early Triassic,  | |
|---|---|
| Holotype specimen | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Reptilia | 
| Clade: | †Ichthyosauromorpha | 
| Genus: | †Baisesaurus Ren et al., 2022 | 
| Species: | †B. robustus | 
| Binomial name | |
| †Baisesaurus robustus Ren et al., 2022 | |
Baisesaurus (meaning "Baise lizard") is an extinct genus of ichthyosauromorph reptiles from the early Triassic (Spathian age) Luolou Formation of Guangxi, China. The genus contains a single species, Baisesaurus robustus, known from a partial postcranial skeleton.