Mario Mendell Winans (né Brown; born August 29, 1974) is an American singer, songwriter, record producer, and multi-instrumentalist best known for his 2004 song "I Don't Wanna Know", which reached number 2 in the United States and number 1 in the United Kingdom. Winans also won a Grammy Award for Best Gospel Performance for co-writing CeCe Winans's song "Pray".