| Named By: | A. G. Martinelli, J. F. Bonaparte, C. L. Schultz & R. Rubert in 2005 | 
| Time Period: | Late Triassic | 
| Location: | Brazil - Caturrita Formation | 
| Size: | Uncertain | 
| Diet: | Uncertain | 
| Fossil(s): | Partial remains including two jaw bones, humerus, femur and teeth | 
| Classification: | | Chordata | Synapsida | Therapsida | Cynodontia | Trithelodontidae | | 
Irajatherium is a genus known only by the species Irajatherium hernadezi. (Martinelli, 2005). It is named in honor of Iraja Damiani Pinto.