Nelson Merlo (born 15 July 1983) is a Brazilian racing driver. In 2005, he won the Brazilian Formula Renault season, taking a win in six races.
Merlo's racing career started in 1995 in Brazilian karting, where he would stay until 2003, when he moved to the Formula São Paulo circuit. He won the championship there during 2003 and 2004.
In 2005, Merlo moved to the Brazilian Formula Renault circuit and won the championship again, setting victory records in the process. He tested at Paul Ricard (France) with Formula World Series 3.5.
In 2006, Merlo moved to the South American Formula Three championship, and won the championship in 2008.
Official Nelson Merlo site (in Portuguese)