Zofiabaatar is a genus of extinct mammal from the Upper Jurassic period.

It was a relatively early member of the extinct order Multituberculata within the suborder "Plagiaulacida".

It lived in North America along with dinosaurs such as Diplodocus and Allosaurus.

Fossils have been found in the Upper Jurassic Morrison Formation of Wyoming (U.S.).

[1] The species is named after the Polish paleontologist Zofia Kielan-Jaworowska.