Gadusaurus
| Gadusaurus Temporal range: Early Jurassic,  | |
|---|---|
| Holotype skull | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Reptilia | 
| Order: | †Ichthyosauria | 
| Clade: | †Baracromia | 
| Genus: | †Gadusaurus Pratas e Sousa et al., 2025 | 
| Species: | †G. aqualigneus | 
| Binomial name | |
| †Gadusaurus aqualigneus Pratas e Sousa et al., 2025 | |
Gadusaurus (meaning "codfish lizard") is an extinct genus of baracromian ichthyosaurs from the Early Jurassic (Sinemurian age) Água de Madeiros Formation of Portugal. The genus contains a single species, G. aqualigneus, known from a nearly complete skull.