Marcelo José Bordon (born 7 January 1976) is a Brazilian former professional footballer who played as a centre-back.

He is mostly known for his time in Germany, playing for Bundesliga teams VfB Stuttgart and Schalke 04, winning three UEFA Intertoto Cup.

Since 2016, he is managing Rio Branco-SP, which plays in the fourth tier of the São Paulo state football league.

At Schalke 04, he formed a formidable central defence alongside Mladen Krstajić, boasting a formidable aerial ability and a capacity for leadership that earned him the role as team captain from the 2006–07 season until the summer of 2010.

On 5 July 2010, Bordon's contract with Schalke was canceled[3] and he signed a one-year contract with Al-Rayyan Sports Club three days later on 8 July 2010,[4] earning approximately €6.5 million per year.