Brett Michael Fraser (born August 28, 1989) is a competition swimmer from the Cayman Islands.  At the 2008 Summer Olympics, Fraser and his older brother, Shaune Fraser, were two of the three flag-bearers for the Cayman Islands.

Like his older brother, Fraser received an athletic scholarship to attend the University of Florida in Gainesville, Florida, United States, where the 2010.2011 school year marked his senior (fourth) year with coach Gregg Troy‘s Florida Gators swimming and diving team in National Collegiate Athletic Association (NCAA) competition.