Robert Shillinglaw is an American lacrosse coach, noteworthy for having been the head coach of the University of Delaware Mens Lacrosse team since 1978. His record in 40 years of coaching at the college level is 305-273. Shillinglaw, former Army and Cortland State coach Jack Emmer, as well as former Penn State coach Glenn Thiel are the only coaches in NCAA lacrosse history to coach 500 games.