Isshiki Yoshimichi (一色義道, died 1579) was a Japanese samurai leader in the Sengoku period.
[1] He was the ninth head of the Isshiki clan.
[2] He was the son of Isshiki Yoshiyuki.
[3] He was the father of Isshiki Yoshisada.
[2] He committed seppuku when Yada castle was attacked by the Oda clan force led by Hosokawa Fujitaka.