Lazaros Voreadis (born July 18, 1960) is a Greek basketball referee. Voreadis was born in Thessaloniki, Greece, and he speaks both Greek and English.
Residing in Athens, Greece, the 85 kg professional referee officiated at the 7th World Championship for Junior Men at Thessaloniki in the year 2003. He officiated the finals of the Saporta Cup and the Korać Cup in 2002, within 15 days of each other. Voreadis officiated at the 2004 Olympic Basketball Tournament and he took the Judge's Oath at the opening ceremony to the Games.