| Named By: | James Jensen & Kevin Padian in 1989 |
| Time Period: | Late Jurassic |
| Location: | USA, Colorado - Morrison Formation |
| Size: | Uncertain due to incomplete fossil material |
| Diet: | unavailable |
| Fossil(s): | Fragmentary partial remains |
| Classification: | | Choradata | Reptilia | Pterosauria | Anurognathidae | |
Mesadactylus ('mesa finger') is an extinct genus of pterosaur from the Kimmeridgian-Tithonian-age Upper Jurassic Morrison Formation of Colorado, United States. The genus was named in 1989 by James Jensen and Kevin Padian. The type species is Mesadactylus ornithosphyos.