Melchor "Biboy" Ravanes is a former Filipino professional basketball player and former head coach of the San Miguel Beermen in the Philippine Basketball Association. Prior to this, he was SMB's longtime assistant coach.
Ravanes was part of a wave of Cebuano cagers recruited by the squad, then known as San Miguel Braves in the MICAA. He was also a member of the franchise’s first championship in 1979. Apart from the Beermen, he also saw action for Shell and Alaska in his career that spanned 16 seasons. A tenacious defender, he was named to the league’s All-Defensive Team three times.