Ademir da Guia (born 3 April 1942 in Rio de Janeiro) is a councilman for the city of São Paulo, Brazil. He was elected in 2004 for the legislative period 2005-2008.

Before becoming a politician, he was a notable player for Palmeiras, a leading football team in Brazil and South American during the 1960s and 1970s. Although a legendary player for his team, Ademir never got a real chance in the Brazilian national team - a very common event in Brazil, where there are so many good football players competing all the time to distinguish themselves. Ademir played in nine matches for Brazil, the first six in 1965 and the other three in 1974 - including at the 1974 FIFA World Cup. His father, Domingos da Guia, was a former national team member who played at the 1938 FIFA World Cup.