SAU may refer to:*Saint Ambrose University in Davenport, IowaThe country of Saudi Arabia in the Middle EastSouthern Adventist University, a university in the United States affiliated with the Seventh-day Adventist ChurchSouthern Arkansas University, a four year institution in the United StatesSchool administrative unit, local government organizations in New Hampshire that administer the public school system. State Agricultural University, a university dedicated to agriculture, set up at the stat… (More on Sau)