- October 5, 1563[1]) was a Japanese samurai of the Sengoku period, who served the Imagawa clan.

In 1507, he contributed three rice paddies to Jijōin, the family temple and the birthplace his ancestor, Ii Tomoyasu.

Ii invited the priest Mokushū Zuien to Iinoho (Iinoya) and changed the temple name from Jijōin to Ryūtaiji.

His known daughter became the concubine of Imagawa Yoshimoto for a time before married Sekiguchi Chikanaga.

She bore the famous Lady Tsukiyama, the first wife of Tokugawa Ieyasu, from that marriage.