Brian Charles Thornton (born April 22, 1985) is an American volleyball player.

He played for the 2007 NCAA national champions, the University of California, Irvine.

He plays for the United States national team and appeared in the 2012 Summer Olympics.

[1] In 2007, Thornton helped UC Irvine win the NCAA Division I men's volleyball national championship.

He helped the team win gold medals at the 2009 and 2010 Pan American Cups.