|Named By:||H. Saegusa & T. Ikeda in 2014|
|Time Period:||Early Cretaceous|
|Location:||Japan, Hyogo Prefecture - Sasayama Group|
|Fossil(s):||Braincase and partial post cranial skeletal remains|
|Classification:||| Chordata | Reptilia | Dinosauria | Saurischia | Sauropoda | Macronaria ||
Tambatitanis is an extinct genus of titanosauriform dinosaur from the Early Cretaceous (Albian) of Japan. It is known from a single type species, Tambatitanis amicitiae. It was probably around 13 meters long and its mass was estimated at some 15 tonnes.