Ampelognathus
| Ampelognathus Temporal range: Late Cretaceous,  | |
|---|---|
| Holotype dentary | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Clade: | Dinosauria | 
| Clade: | †Ornithischia | 
| Clade: | †Ornithopoda | 
| Clade: | †Iguanodontia | 
| Clade: | †Rhabdodontomorpha (?) | 
| Genus: | †Ampelognathus | 
| Species: | †A. coheni | 
| Binomial name | |
| †Ampelognathus coheni Tykoski, Contreras & Noto, 2023 | |
Ampelognathus (meaning "grapevine jaw") is an extinct genus of possibly rhabdodontomorph ornithopod dinosaurs from the Late Cretaceous (Cenomanian) Lewisville Formation of Texas. The type species is Ampelognathus coheni.