Marcus Oliveira (born March 18, 1979) is a Menominee[1] light heavyweight professional boxer fighting out of Lawrence, Kansas.

Oliveira made his professional debut with a knockout win against Daniel Russell in April 2006.

Oliveira's first non-winning result was a split draw with 15–1–1 Nick Cook in February 2008, a fight for the vacant USBC light heavyweight title.

[2] Oliveira would take a major step forward with a dramatic come-from-behind win against undefeated prospect (8–0 with 8 knockouts) Phil Williams.

[3][4] Oliveira defeated Otis Griffin by second-round knockout on June 5, 2009 at Grand Casino Hinckley in Minnesota.