معاوية ولد سيدي أحمد الطايع
Cheikh El Avia Ould Mohamed Khouna (; born 1956) is a Mauritanian political figure. He was the 7th Prime Minister of Mauritania from January 2, 1996 to December 18, 1997, Minister of Foreign Affairs from July 12, 1998 to November 16, 1998, and Prime Minister again from November 16, 1998 to July 6, 2003 under President Maaouya Ould Sid'Ahmed Taya; later, he briefly served as Minister of Foreign Affairs again in 2008.