Brandon Foster (born December 25, 1984) is a former American football cornerback. He most recently attended training camp with the Saskatchewan Roughriders. He was signed by the Colts as an undrafted free agent in 2008 after posting a 4.28 40 time at the University of Texas Pro Day. He played college football at Texas.

Foster attended Bowie High School in Arlington, Texas and was a two-year starter. He was also and all-district selection as a senior with 42 tackles, 4 interceptions and two forced fumbles. He also was a 2003 state track champion as a member of the 4x100 and 4x200 relay team. The 4x100 meter recorded a time of 40.06 which was the 3rd fastest time in nation at the time.

Foster played 8 games as a redshirt freshman in 2004 and had two tackles. As a sophomore, he had 16 tackles in the 10th ranked defense. In 2006, he had 15 tackles and 4 interception in which he returned 2 for touchdown which tied as a UT record all in his first year as a starter. In 2007, he was named All-Big 12 Second-team with 4 interceptions. In all his four years, he had 106 tackles and 4 interceptions.