The name Brett is derived from an English surname meaning "a Breton" (the Bretons are an ethnic group located in the region of Brittany in France).
Famous bearers
Bearers include Brett Somers (1924 - 2007), an American actress, singer, and comedienne;
Brett Butler (born 1958), an American actress and comedienne;
Brett Anderson (born 1967), an English male singer, songwriter, and the former lead vocalist of the band Suede;
Brett Claywell (born 1978), an American actor.