María Belén Dutto (born 22 May 1987 in Alta Gracia, Córdoba) is an Argentine amateur BMX cyclist. Being profoundly deaf since birth with a 98% hearing loss, Dutto represented her nation Argentina at the 2008 Summer Olympics, and also managed to surmount her physical handicap by taking home the gold medal at the 2009 BMX Latin American Championships in São Paulo, Brazil.