| Named By: | Phil Senter, James I. Kirkland & Donald D. DeBlieux in 2012 | 
| Time Period: | Lower Cretaceous | 
| Location: | USA, Utah - Cedar Mountain Formation | 
| Size: | Uncertain | 
| Diet: | Uncertain | 
| Fossil(s): | Fragmentary post cranial remains | 
| Classification: | | Chordata | Reptilia | Dinosauria | Saurischia | Theropoda | Therizinosauroidea | | 
Martharaptor is an extinct genus of basal therizinosauroid theropod from the Lower Cretaceous of the Cedar Mountain Formation in Utah.