Mike "Moussa" Mampuya-Mawawu Willems (born 17 January 1983) is a former professional footballer, who played as a right back. Born in Belgium, he represented the DR Congo national team.
After a career playing in Belgium, the Netherlands and Cyprus, Mampuya moved to Scotland in June 2013 and signed for Scottish First Division club Livingston on a one-year contract. He made his competitive debut for Livingston in a Scottish Challenge Cup match against Berwick Rangers on 27 July 2013. He was released in May 2014.
After leaving Livingston, Mampuya played for Broxburn Athletic between 2014-2016.
On 9 February 2011, he made an appearance for the Congo DR national football team in an international friendly match against Gabon national football team.