Maaouya Ould Sid'Ahmed Taya (Arabic: ?????? ??? ??? ???? ???????, Ma‘awiyah wuld Sidi A?mad a?-?aya‘, also transliterated as Mu'awiya walad Sayyidi Ahmad Taya) (born November 28, 1941) is a Mauritanian military officer who served as the president of Mauritania from 1984 to 2005.
Having come to power through a military coup, he was ousted by a military coup himself in 2005.
Prior to his presidency, he was the 5th Prime Minister of Mauritania.