William Joseph Peter Francis "Billy" Devaney (born March 7, 1955 in Red Bank, New Jersey) is a professional American football executive. He is currently the general manager for the St. Louis Rams NFL team. He was formerly an assistant to the general manager with the Atlanta Falcons. He has replaced the long time Rams president of football operations, Jay Zygmunt at the end of the 2008 season.
Devaney began his career serving as the director of pro personnel under Bobby Beathard during his time with the San Diego Chargers from 1990 to 2000. He also worked a brief stint with the San Francisco 49ers for 3 seasons. Devaney then worked with the CBS pregame show for two years. In 2006, Devaney began working as an assistant to Rich McKay, president and former general manager of the Atlanta Falcons from 2006 to early 2008. In January 2008, the St. Louis Rams hired him as vice president of pro personnel to help conduct their 2008 draft. He was promoted to general manager of the Rams on December 24, 2008. He made his first major hire as the Rams' general manager on January 17, 2009 when the Rams announced that Steve Spagnuolo would be their new head coach. Since the hiring he has revamped the entire front office of the Rams.
Devaney was raised in New Jersey and attended Mater Dei High School. He went on to attend Elon University.