Brian Lamar Allen (born April 1, 1978) is an American football linebacker. Allen played college football at Florida State University and was drafted in the third round (83rd overall) in the 2001 NFL Draft by the St. Louis Rams. He played three games during his rookie season, and was later allocated to the Houston Texans in the 2002 NFL Expansion Draft. However, he was released by the Texans before playing a game for the team. He was signed off waivers to the Carolina Panthers in 2002. He played mostly on special teams for the Panthers, and was part of the unit that ranked fifth in the NFL in 2003. He was released by the Panthers, and was signed to the Redskins on April 6, 2005. He was released by the Redskins in late 2005 due to a knee injury.