Konstantinos Petimezas (Greek: Κωνσταντίνος Πετιμεζάς) (1764–1824) was a Greek revolutionary leader during the Greek War of Independence and a soldier. He was born in 1764 in Soudena near Kalavryta. He had a brother Anagnostis and was descended from the historic family. He left after his father was assassinated in 1804 to Zakynthos and became a Russian army officer. He entered the Filiki Etaireia and took part of the Siege of Tripoli, , Battle of Nafplio, and the Siege of Patras. He took part in the national council of Astros. In the civil war, he teamed up with Theodoros Kolokotronis.