Bill Sheridan (born January 27, 1959) is an American football coach who is currently the inside linebackers coach for the Miami Dolphins of the National Football League. He was a coach for a number of college teams, including Notre Dame and Michigan State. From 2005 to 2008 he was the linebackers coach for the New York Giants of the National Football League. In 2009 was the defensive coordinator for the New York Giants.
A native of Detroit, Sheridan earned four letters as a linebacker at Grand Valley State University. He graduated from De La Salle High School in Detroit.
Sheridan and his wife, Jaycine, have four children: Joe, Nick, Mark and Natalie. Nick is a quarterback at the University of Michigan.
Sheridan's coaching career began in 1981 in Shrine High School in Royal Oak, Michigan, where he was the football coach until 1984. In 1987 he moved to the college level and became the linebacker coach for Maine, followed by Cincinnati and Army. In 1996, was hired by West Point as the defensive backs coach. He had been on Lloyd Carr’s staff at the University of Michigan the previous three years before his stint with the Giants, serving as both the linebackers coach and then as coach of the defensive line.
Prior to being the defensive coordinator he was the Giants linebackers coach. Sheridan replaced Steve Spagnuolo after he left to take the head coaching position with the St. Louis Rams. Sheridan had been the linebackers coach for the Giants for the previous four seasons after his hiring in 2005. Giants' head coach Tom Coughlin promoted Sheridan over secondary coach Peter Giunta. He was fired on January 4th, 2010 after the Giants Defense slipped as the team dropped 8 of their last 11 games and allowed 40 points on five different occasions a franchise record.
On January 19, 2010, Sheridan was hired by the Miami Dolphins to coach their inside linebackers