Marcelo Pinheiro Davi de Melo (born September 23, 1983) is a Brazilian tennis player. He is the younger brother of Daniel Melo and grew up in Belo Horizonte, Brazil. He stands at a height of 2.03 m (6 ft. 8 in.). Primarily a doubles specialist, his career-high doubles ranking is World No. 3, which he achieved in October 2014. Alongside regular teammate André Sá, he reached the men's doubles semifinals at Wimbledon in 2007 and the quarterfinal at the 2007 US Open. In 2009, he reached the mixed doubles final at the French Open with American Vania King, becoming the seventh Brazilian to reach the final of a Grand Slam and the first since Gustavo Kuerten.