Jay Leach (born in Lexington, Massachusetts, United States) is a former ice hockey assistant coach of the National Hockey League's Los Angeles Kings, Atlanta Thrashers, New Jersey Devils, and Washington Capitals. He also has five years of head coaching experience in the American Hockey League with the Springfield Indians and the Hershey Bears. Leach served as assistant coach for Team USA under Bob Johnson in the 1991 Canada Cup. He also served as assistant coach for the U.S. Men's National Team in the 2004 and 2006 World Championships.