Keyaron James Fox /kiˈærən/, born January 24, 1982) is an American former professional football linebacker.

Fox was originally selected by the Kansas City Chiefs in the third round (93rd overall) of the 2004 NFL Draft.

[5] He recorded 17 tackles in 13 games in 2008 as the Steelers beat the Arizona Cardinals in Super Bowl XLIII.

An unrestricted free agent in the 2009 offseason, Fox was re-signed to a two-year, $1.8 million contract on April 6.

[6] In week 6 of the 2009 season, Fox filled in for an injured Lawrence Timmons, where he intercepted a Brett Favre pass running it back for an 82-yard touchdown to help the Steelers secure a 27–17 victory over the undefeated Minnesota Vikings.