Stef Marinus Wijlaars (born 19 January 1988) is a Dutch former professional footballer who played as a midfielder.
He previously played for FC Den Bosch, FK Senica and Sigma Olomouc.
He retired as part of amateur club Gemert in 2015 due to injuries.
His trajectory led to his appointment, in 2023, as the coordinator for middle-tier youth teams (under-13 to under-16) at Ajax.
This biographical article related to association football in the Netherlands, about a midfielder, is a stub.