Martim Francisco Ribeiro de Andrada (21 February 1928 in Barbacena (MG) – 22 June 1982 in Belo Horizonte (MG)) was a Brazilian association football coach. He is widely credited with the invention of the 4–2–4 formation when guiding his first club, the Villa Nova AC of Nova Lima, to the State Championship of Minas Gerais in 1951. He won further state championships with Atlético Mineiro of Belo Horizonte in 1953, CR Vasco da Gama of Rio de Janeiro in 1956 and SE Gama of Brasília in 1979. Other clubs he coached include SC Corinthians Paulista, Cruzeiro EC, America FC of Rio and Athletic Bilbao in Spain. With Bangu AC of Rio he won the State Champions' Cup of 1967.