Kizo Yasui (安居 喜造, Yasui Kizō, December 2, 1899 – September 30, 1983) was a Japanese corporate executive. He held the positions of the chairman of the board of directors of Toray Industries, vice-president of Mitsui Bank, president of Mitsui Petrochemicals Industries, vice-chairman of Nihon Keidanren (Japan Business Federation), chairman of Japan Chemical Fibers Association and others. He was also general manager of Tokyo Metropolis of Ise Shrine Revered Board. He dedicated himself to reconstructing Japanese National Railways as the 4th chairman of audit committee thereof. He received Grand Cordon of the Order of the Sacred Treasure in 1979.