Brandon Cox (born October 31, 1983) is a former American football quarterback, who played collegiately for Auburn University. As Auburn's starting quarterback from 2005 to 2007 he guided the Tigers to a 29–9 record and was a member of the winningest senior class in Auburn history, winning 50 games during their time on the Plains.

Cox attended Hewitt-Trussville High School, the same school as Jay Barker, former quarterback for rival Alabama. He was diagnosed with myasthenia gravis in his 10th grade year in high school, but fought the disease and continued to play football. Cox, a left-hander, was recruited to Auburn in 2003 but redshirted his freshman year.

After serving one season as backup, Cox stumbled to begin the 2005 season before leading the Tigers to a 9–3 finish. He returned his junior year in 2006 to lead Auburn to an 11–2 finish, including a victory over Nebraska in the 2007 Cotton Bowl Classic.

Cox began the season as the starter for the third season for the Tigers in 2007. Prior to the season, Cox was one of 35 quarterbacks named to the 2007 Manning Award Watch List. For much of the 2007 season, Cox struggled to find consistency behind an offensive line starting three freshman. He was briefly benched in favor of true freshman quarterback Kodi Burns during the Mississippi State game. Cox rebounded from being benched to lead Auburn to victories over undefeated Florida, Arkansas and Alabama.