The Battle of Thessalonica is fought between the Bulgarian and the Byzantine Empires in the summer of 1014 near the city of Thessalonica in contemporary northern Greece.

The Bulgarian army under the command of Nestoritsa is defeated by the Byzantines led by the governor of Thessalonica Theophylactus Botaniates and it is unable to divert the main Byzantine forces who are attacking the Bulgarian ramparts between the Belasitsa and Ograzhden mountains.