Georgios Kalliergis or Kallergis was a Byzantine Greek painter. He is one of the few Greek painters of the Byzantine empire known by name. Other Byzantine painters include: Theodore Apsevdis, Kokkinobaphos Master, and Ioannis Pagomenos. Kalliergis was one of the masters of Thessaloniki. He was part of the Macedonian School of painting. His last name Kallergis was associated with a noble family from the island of Crete. Two other very famous Greek painters Nikolaos Kallergis and Christodoulos Kalergis shared the same last name. Georgios was associated with Mount Athos, Veria, and Thessaloniki. His most notable frescos are in the Church of the Resurrection of Christ in Veria, Greece.

Veria, officially transliterated Veroia, historically also spelled Beroea or Berea, is a city in Central Macedonia, in the geographic region of Macedonia, northern Greece, capital of the regional unit of Imathia. It is located 511 kilometres north-northwest of the capital Athens and 73 km (45 mi) west-southwest of Thessaloniki.