Jean-Marie Faustin Goedefroid de Havelange (born May 8, 1916), more commonly known as João Havelange (Portuguese pronunciation: [ˈʒwɐ̃w avɐˈlɐ̃ⁿʒi]), was the 7th President of FIFA, serving from 1974 to 1998. He received the title of Honorary President when leaving office. He succeeded Stanley Rous and was succeeded by Sepp Blatter. João Havelange served as a member of the International Olympic Committee (IOC) from 1963 to 2011. He was the longest serving active member upon his resignation. Havelange was born in Rio de Janeiro.

At the age of 20 Havelange competed as a swimmer at the 1936 Summer Olympics in Berlin. He failed to make it beyond the heats of the 400m freestyle or 1500m freestyle events. He was also part of the Brazilian team that tied for 13th in water polo at the 1952 Summer Olympics in Helsinki. Havelange served as the chef de mission of the Brazilian delegation at the 1956 Summer Olympic Games in Melbourne.

As President of the Metropolitan Swimming Federation in Brazil, Havelange became a member of the Brazilian Olympic Committee and joined the International Cycling Union in 1958. After becoming Vice-President of the Brazilian Sports Confederation, he served as President of the Confederation from 1958 to 1973.