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.
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·
Biography：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.
