VITTORIO MARI SOTTO (born on January 12, 1984). He is a Filipino actor more popularly known as "Oyo Boy" or "Oyo Sotto".

He is the son of the famous television host, actor and comedian Vic Sotto and actress Dina Bonnevie, nephew of television host and comedian and former Senator Tito Sotto, and younger brother of the actress Danica Sotto. He is considered the King of Afternoon Dramas because of several TV series he made for TAPE Inc. which were broadcast through GMA 7. Despite being seen several times in GMA 7 shows, he never had an exclusive contract with the network. In early 2007, he decided to move to GMA 7's rival network, ABS-CBN, where he remains today.