SAU may refer to:*Saint Ambrose University in Davenport, Iowa The country of Saudi Arabia in the Middle East Southern Adventist University, a university in the United States affiliated with the Seventh-day Adventist Church Southern Arkansas University, a four year institution in the United States School 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… (More on Sau)