Marcelo Aguiar

Marcelo Aguiar is a Brazilian mixed martial artist. He competed in the Welterweight division.

Mixed martial arts career
Aguiar made his professional debut against John Cronk at World Vale Tudo Championship 4 on 16 March 1997, in the semifinals of the Vale Tudo 77kg tournament. He won the fight by a rear-naked choke, after almost ten minutes of continuous fighting, and advanced to the finals where he faced Antonio Santos. Aguiar won the tournament final by knockout, stopping Santos after just 49 seconds.

Aguiar was scheduled to face Hayato Sakurai at VTJ 1997: Vale Tudo Japan 1997 on 29 November 1997. The fight ended in a draw. The two of them fought a rematch at Shooto: 10th Anniversary Event on 29 May 1999. Sakurai won their second meeting by unanimous decision.

Aguiar's last professional bout was against Matt Hughes at UFC 26: Ultimate Field of Dreams on 9 June 2000. Hughes won the fight by technical knockout, after the ringside doctor stopped the fight near the end of the first round.