Nicholas Araújo Dias dos Santos (born 14 February 1980) is a Brazilian competitive swimmer who specializes in freestyle and butterfly sprint events. Nicholas swims for Esporte Clube Pinheiros. He swam the 50-metre freestyle at the 2008 Summer Olympics and was a member of the Brazilian 4×100-meter freestyle team at the 2012 Summer Olympics.His first participation in the World Championships was in the 2001 World Aquatics Championships in Fukuoka, where he finished 30th in the 50-metre freestyle.In November 17, he broke the short-course South American record of the 50-metre butterfly, with a time of 23.82 seconds. Wikipedia