Lady Ichikawa (市川局 Ichikawa no Tsubone, d. April 5, 1585) was a Japanese female warrior (Onna-musha) from the Sengoku period who helped drive out Ouchi and the Otomo clan from Chugoku. She was the wife of , a samurai warlord and retainer of Mōri Motonari. She defended Konomine castle from the attack by Ōuchi.