Huangshanlong is a genus of mamenchisaurid dinosaurs native to the Anhui province of China. It contains a single species, Huangshanlong anhuiensis. H. anhuiensis represents, along with Wannanosaurus, one of only two dinosaurs known from Anhui. The only specimen consists of a partial forelimb discovered in 2002 during the construction of the Huihang highway.