Ramón Ismael Medina Bello (born 29 April 1966), nicknamed El Mencho, is an Argentine former professional footballer who played as a striker at club level in Argentina and Japan.

Medina Bello was born in Gualeguay, Entre Rios. He began his professional football career in 1986 with Racing Club de Avellaneda. In 1989, he was transferred to River Plate, where he played until 1993. By that time he was part of the Argentina national team, with whom he won the 1991 Copa América in Chile. He was also part of the national team in the 1994 FIFA World Cup.

Medina Bello went to play in Japan for the Yokohama Marinos until 1996 when he returned to River Plate. He retired in 1999 in Talleres and after two years of retirement played for Dock Sud in the Argentine Soccer League Fourth Division. In 2005, he played for Juventud Unida where he retired for good.

Medina Bello appeared in 2 games during the 1994 FIFA World Cup.