Martim Mércio da Silveira
|Full name||Martim Mércio da Silveira|
|Date of birth||2 March 1911|
|Place of birth||Bagé, Brazil|
|Date of death||16 August 1972 61)(aged|
* Senior club appearances and goals counted for the domestic league only.
Martim Mércio da Silveira (2 March 1911 - 16 August 1972), in Argentina better known as Martín Mercío Silveyra, was a Brazilian football player. He played for Brazil national team at the 1934 and 1938 World Cup finals.
He commenced his career in 1929 with Guarany FC of Bagé in the state of Rio Grande do Sul. 1930 he move on to Rio de Janeiro where he joined Botafogo FC where he won the State Championships of Rio of the same year and 1932. From 1933 to 1934 he played for CA Boca Juniors in the Argentine capital Buenos Aires, where he was the first Brazilian in the club's history. With Boca Juniors he won the national championship of 1934. After this he returned to Botafogo winning 1934 and 1935 two more State Championships. He stayed with Botafogo until the end of his career in 1940.