Alexander Augustus Lyon (born December 9, 1992) is an American professional ice hockey goaltender for the Lehigh Valley Phantoms as a prospect for the Philadelphia Flyers in the National Hockey League (NHL). He played collegiately for the Yale Bulldogs men's ice hockey team, competing in the ECAC.
While at Yale University, he was named Ivy League co-Rookie of the Year in 2014. After leading the nation in save percentage, shutouts and goals-against average, Lyon was presented with the Ken Dryden Award (given to the best goalie in the ECAC) his sophomore season, while receiving First-Team AHCA/CCM All-America, First-Team All-ECAC, First-Team All-New England as well as First-Team All-Ivy League honors. He was also the winner of the J. Murray Murdoch Award as Yale's Most Valuable Player.
And individual awards kept rolling in for Lyon after the 2015–16 season as he repeated as Ken Dryden Award recipient and also landed spots on the All-ECAC First Team, the All-Ivy League First Team and the All-New England First Team for the second straight year.