Willemina Roziena Catharina (Mirjam) Sterk (born May 23, 1973 in Zeist) is a Dutch former politician, civil servant, RTV editor as well as educator. As a member of the Christian Democratic Appeal (Christen-Democratisch Appèl) she was an MP from May 23, 2002 (on maternity leave from April 8 to July 29, 2008, replaced by Sabine Uitslag) to September 19, 2012.