津軽氏
, also known as , was a "tozama" feudal domain of Edo period Japan It is located in Mutsu Province, in northern Honshū. The domain was centered at Hirosaki Castle, located in the center of what is now the city of Hirosaki in Aomori Prefecture. It was ruled by the Tsugaru clan. A branch of the family ruled the adjoining Kuroishi Domain.