Marco Antônio Boiadeiro
|Full name||Marco Antônio Ribeiro|
|Date of birth||13 June 1965|
|Place of birth||Américo de Campos, Brazil|
|1989–1991||Vasco da Gama||24||(1)|
|* Senior club appearances and goals counted for the domestic league only|
Marco Antônio Ribeiro, commonly known as Marco Antônio Boiadeiro, or simply as Boiadeiro (born 13 June 1965), is a Brazilian former footballer who played as a midfielder for several Série A clubs. He also played for the Brazilian national team.
Born in Américo de Campos, Boiadeiro started his professional career in 1985, defending Botafogo de Ribeirão Preto. He moved to Guarani in 1986, leaving the club two years later, then defending Vasco da Gama from 1989 to 1991. Boiadeiro defended Cruzeiro from 1991 to 1993, then spent a season with Flamengo in 1994, playing 15 games for the club. He played for Corinthians during the 2004 and the 2005 seasons, then played briefly in 1996 for Rio Branco and Anápolis. Boiadeiro defended two clubs from Belo Horizonte, América Mineiro in 1997 and in 1998, and Atlético Mineiro in 1998 and in 1999. Marco Antônio Boiadeiro retired in 2000, while defending Sãocarlense of São Paulo state 
Boiadeiro played five games for the Brazilian national team in 1993, including four Copa América games. His first game was played on June 6, against the United States, while the last game was played against Argentina on June 27, where he missed his shot at the penalty shootout in that tournament's quarter finals, costing Brazil the spot at the semifinals.
- "Marco Antônio Boiadeiro" (in Portuguese). CBF. Archived from the original on January 16, 2010. Retrieved September 10, 2009.
- Assaf, Roberto; Martins, Clóvis (2001). Almanaque do Flamengo (in Portuguese) (1st ed.). Editora Abril. p. 473. OCLC 837719185.
- Napoleão, Antônio Carlos; Assaf, Roberto (2006). Seleção Brasileira 1914-2006. São Paulo: Mauad X. p. 276. ISBN 85-7478-186-X.
- Marco Antônio Boiadeiro at National-Football-Teams.com