Marco Antonio de Mattos Filho (born 3 July 1986), commonly known as Marquinho, is a former Brazilian professional footballer.

Marquinho started his career at Gaúcho, playing for other Rio Grande do Sul-based youth clubs until he was transferred to Vasco da Gama and later to Palmeiras.

In 2008, after being discharged from the Rio de Janeiro club, he was signed by Figueirense, being a member of the starting eleven and moving to Fluminense the following year.

On 31 January 2014, Marquinho moved to league rivals Hellas Verona on loan for the remainder of the 2013–14 season.

[1] On 2 July 2014, the Jeddah-based team Ittihad FC announced the signing of Marquinho on a season long loan from A.S. Roma for undisclosed fee.