Brian Thomas Lopes (born September 6, 1971, in Mission Viejo, California) is a professional mountain bike racer who specializes in four-cross.

[2] Lopes has also held world records in bunny hopping, in terms of both distance and height.

[4] Lopes has also co-written a book, Mastering Mountain Bike Skills with Lee McCormack.

Lopes is currently sponsored by Ibis Bicycles, Oakley, Lazer, X-Fusion, SRAM, Kenda, Novatec Wheels, WTB, ODI, Magura, Pearl Izumi, Go Pro, HT, KS, Chris King & MRP.

[4] On April 13, 2012, Lopes won the first race of the new cross-country eliminator World Cup series in Houffalize, Belgium.