- Death: 1597?
- Other names: Magozaemon (孫左衛門)
- Japanese: 江村 親俊 (Emura Chikatoshi)
Chikatoshi was a son of Emura Chikaie and served Chosokabe Motochika. In 1582 during the Chosokabe invasion of Awa province, he was put in charge of Ichimiya castle. He accompanied Chosokabe Motochika's third son Tsuno Chikatada as a hostage to Toyotomi Hideyoshi's headquarters at Fushimi after the latter invaded Shikoku in 1585. A competent soldier, he distinguished himself in service in the 1st Korean Campaign (1592-93). He fell ill sometime around 1596 and is thought to have died shortly afterwards.