今川氏
was a Japanese samurai of the Sengoku period, who served the Imagawa clan of Suruga. He was the lord of Hikuma Castle, and claimed the court title "Buzen no kami". Noritsura's service to the Imagawa clan was during the life of Imagawa Yoshimoto. During the Eishō era (1504–1521), Noritsura built Hikuma Castle, and received it and 10,000 "koku" of territory around it as a personal fief. He died at the Battle of Okehazama in 1560.