Prince Koreyasu (????) (May 26, 1264 – November 25, 1326; reigned 1266–1289) was the seventh shogun of the Kamakura shogunate of Japan.
He was the nominal ruler controlled by the Hojo clan regents.
Prince Koreyasu was the son of Prince Munetaka who was the sixth shogun.
1266 (Bun'ei 3, 7th month): Koreyasu was installed as the 7th shogun at the age of two when his father was deposed.
1287 (Koan 10, 6th month): The shogun was given the offices of Chunagon and Udaijin in the hierarchy of the Imperial court.
1289 (Shoo 2, 9th month): A revolt led by Hojo Sadatoki (Sagami-no-Kami) caused Koreyasu to flee to Kyoto.At age 25, the deposed shogun became a Buddhist monk.