Renato Ramalho (born April 17, 1968 in Curitiba) is a former international medley swimmer from Brazil. He participated for his native country at the 1988 Summer Olympics and 1992 Summer Olympics. He started swimming at the age of five, at . His father, former captain of the Brazil men's national volleyball team along with other swimming enthusiasts, formed a parents' association to promote the competitive team, in the 1970s, called Clube do Golfinho. Over time, the association grew and, faced with the lack of interest on the part of Clube Israelita to keep the team competitive, the parents bought a plot of land, built the swimming pool and founded the Clube do Golfinho, in 1977.