Zacharias Barbitsiotis or as he was more commonly known Zacharias (22 October 1759 - July 20, 1804, Greek: ΖαχαÏίας ΜπαÏμπιτσιότης) was a Greek klepht in the Peloponnese operating during the time of Ottoman Greece, with most of modern Greece being part of the Ottoman Empire. He is described by Kyriakos Kassis as the best thief of Taygetus.