Kitt O'Brien (born April 29, 1990) is a former American football offensive guard.

He attended Ball State University, and signed with the Cleveland Gladiators of the Arena Football League (AFL) as an undrafted free agent in 2013.

O'Brien played college football for the Ball State Cardinals, appearing in 40 games and starting 36.

[2][3] On August 7, 2015, O'Brien signed with the Indianapolis Colts of the National Football League (NFL), after Ben Heenan was waived.

[14] In November 2018, O'Brien signed with the Birmingham Iron of the Alliance of American Football.