Borealosaurus is an extinct dinosaur genus from northern China. It was a herbivorous quadrupedal sauropod from the Early Cretaceous Period. The type species was Borealosaurus wimani. It was named from Greek Βορεąς (the North wind) and σαυρος (lizard), with its specific name being given in honor of Swedish paleontologist Carl Wiman, who named the first Chinese dinosaur. It has been estimated that this creature measured 12 meters in length and 4 meters in height, with a weight of 10 tonnes.