Gamō Katahide (蒲生 賢秀?, 1534 – May 26, 1584) was a Japanese daimyo of the Sengoku period through Azuchi-Momoyama Periods. Katahide, the eldest son of Gamō Sadahide, was a retainer of the Oda clan. His son, Gamō Ujisato, became daimyo of the Aizu Domain and his daughter, Tora known as Sanjo-dono was one of Toyotomi Hideyoshi.