was a Japanese samurai and waka poet of the early Kamakura period.
His father was . He married a daughter of Hà Âjà  Tokimasa.
After entering Buddhist orders, he took the name , and was also known as .
He was a close friend of Fujiwara no Teika and his daughter married Teika's son Tameie. He is also said to have commissioned Teika's compilation of the Ogura Hyakunin Isshu. The collection was originally prepared (in a slightly different form to the present Ogura Hyakunin Isshu) to in Yoritsuna's Mt. Ogura residence in the Saga district of Kyoto.
He was the head of one of the chief poetic houses of the Kamakura period.