Zachary Lee Diles (born June 11, 1985) is an American former professional football linebacker.

He was also a member of the St. Louis Rams, Tampa Bay Buccaneers, Indianapolis Colts, Tennessee Titans, Kansas City Chiefs, and Cleveland Browns.

Diles attended Tulare Union High School, but did not gain any post-season recognition in football.

In his two seasons the team had a 16-5 record and in 2004 Diles was named All.CVC He finished his college career at Kansas State.

He did not start in 2005 at Kansas State but still finished fourth on the team with 50 tackles (27 solos), adding two sacks, a pair of quarterback pressures, 5.5 stops behind the line of scrimmage and three forced fumbles.

He ranked second on the team and eighth in the conference with 99 tackles (38 solos) while starting all 13 games at middle linebacker.

[5] Diles signed a contract with the Cleveland Browns after he worked out for them during their voluntary minicamp.