Lazaros Voreadis (b. July 18, 1960) is a Greek basketball referee.

Residing in Athens, Greece, the 85 kg professional referee officiated at the 7th World Championship for Junior Men in Thessaloniki 2003. Officiated the final Saporta Cup and Korac Cup in 2002, within 15 days of each other. Voreadis officiated at the 2004 Summer Olympics, and took the Judge's Oath at the opening ceremony to the Games.

Voreadis was born in Thessaloniki, Greece, and speaks both Greek and English.