Marcelo Gonçalves de Oliveira (born April 17, 1971 in São Paulo), known as Piracaia, is a Brazilian football player.

He currently plays and works as an assistant coach for the Finnish second-tier club Musan Salama.

In the six games of the 1998–99 UEFA Champions League group stage he was in the opening line-up of HJK Helsinki.

Piracaia has also played in the top divisions of Sweden, Algeria and Tunisia.

This biographical article related to a Brazilian association football midfielder is a stub.