- Born: 1568
- Died: 1615
- Titles: Tsushima no kami
- Distinction: Lord of Tsushima
- Japanese: 宗 義智 (Sô Yoshitoshi)
Yoshitoshi was the son-in-law of Konishi Yukinaga and succeeded to the Sô house in 1588. He served in the Korean Invasions under Yukinaga and later sided with Tokugawa Ieyasu during the Sekigahara Campaign (1600), though he took no part in the fighting.
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005
- One sometimes sees the name given as "Yoshitomo."