Mamadou N'Diaye (; born September 14, 1993) is a Senegalese professional basketball player for Correcaminos UAT Victoria of the Liga Nacional de Baloncesto Profesional (LNBP).
He played college basketball for UC Irvine, where he was the tallest basketball player at the NCAA Division I level, standing at 7 ft 6 in (2.29 m).N'Diaye, a center, was named Big West Conference Defensive Player of the Year after the 2013–14 NCAA Division I men's basketball season and earned all-conference honorable mention accolades as well.