Isao Yukisada (行定 勲, Yukisada Isao, born August 3, 1968) is a Japanese film director from Kumamoto. He served as assistant director on Shunji Iwai's Love Letter, April Story, and Swallowtail Butterfly.
Known For: Directing
Birthday: 1968-08-03
Place of Birth: Kumamoto, Kumamoto Prefecture, Japan
Also Known As: Yukisada Isao, 行定 勲, ゆきさだ いさお, 行定勳, 行定 勳, Исао Юкисада, 行定勋