Marty Mornhinweg (born March 29, 1962) is an American football coach and former player who was a senior offensive consultant for the Philadelphia Eagles of the National Football League (NFL). He was the offensive coordinator for the San Francisco 49ers from 1997 to 2000, head coach of the Detroit Lions from 2001 to 2002, offensive coordinator for the Eagles from 2006 to 2012, offensive coordinator for the New York Jets from 2013 to 2014, and offensive coordinator for the Baltimore Ravens from 2016 to 2018.