Baotianmansaurus is a genus of titanosaur sauropod dinosaur. Its fossils have been found in Upper Cretaceous rocks in Henan, China, within the Gaogou Formation. The type species is B. henanensis, described in 2009. Holotype number is this single specimen is 41H III-0200. Remains of the fossil where vertebrae, ribs and fragment of scapula. It was probably a close relative of Opisthocoelicaudia and Dongyangosaurus.