There are multiple artists with the name Dio. 1. Dio was an American heavy metal band formed in 1982 and led by vocalist...

There are multiple artists with the name Dio. 1. Dio was an American heavy metal band formed in 1982 and led by vocalist Ronnie James Dio. 2. Dio is a Dutch hip hop artist. 1. Dio was an American heavy metal band formed in 1982 and led by vocalist Ronnie James Dio. Dio left Black Sabbath with intentions to form a new ...