Jan Martin Gerardus Notermans (29 July 1932 – 8 June 2017) was a Dutch football player and manager. He played for Fortuna '54 and Sittardia. He capped 25 times for Netherlands. He coached Arminia Bielefeld, Go Ahead Eagles, FC Groningen, AZ, Helmond Sport and Willem II. He was born in Sittard, Netherlands.