Michael Kefalianos (Greek: Μιχάλης Κεφαλιανός), first name also spelt Michalis and Mihalis, is a Greek bodybuilder of Greek and Australian dual citizenship who is an International Federation of BodyBuilders (IFBB) professional bodybuilder. He is widely considered to be the best Greek bodybuilder. In 2009 at the IFBB Australian Pro Grand Prix he placed fourth and became the first Greek bodybuilder to ever qualify for the Mr.