| Named By: | Erin L. Rasmusson Simons & Gregory A. Buckley in 2009 |
| Time Period: | Late Cretaceous |
| Location: | Madagascar - Maevarano Formation |
| Size: | Unknown |
| Diet: | Carnivore |
| Fossil(s): | Partial skull material and teeth |
| Classification: | | Chordata | Reptilia | Archosauromorpha | Crurotarsi | Crocodylomorpha | Mesoeucrocodylia | Trematochampsidae | |
Miadanasuchus is an extinct genus of trematochampsid which existed in the Maevarano Formation of Madagascar during the late Cretaceous period (Campanian age). It was first named by Erin L. Rasmusson Simons and Gregory A. Buckley in 2009 and the type species is Miadanasuchus oblita.