Marc Bassingthwaighte (born 21 October 1983) is a Namibian cyclist who specialises in cross-country events. Bassingthwaighte represented Namibia at the 2012 Summer Olympics in London, where he competed in the men's cross-country. He has also competed in a Commonwealth Games, an African Mountain Bike Championships, a Namibian National Road Race Championships, two Namibian National Time Trial Championships, a Namibian National Mountain Bike Championships and two Giro del Capos. Bassingthwaighte is a two time medalist at the Namibian National Road Race Championships.