Gamō Ujisato was a Japanese daimyo of the Sengoku and Azuchi-Momoyama periods. The heir and son of Gamō Katahide, lord of Hino Castle in Ōmi Province, he later held Matsusaka (Ise Province) and finally Aizuwakamatsu Castle in Mutsu Province. He also controlled Obama Castle through one of his retainers, Gamō Chūzaemon.