Germanos III of Old Patras (Greek: Παλαιών Πατρών Γερμανός Γʹ; 1771–1826), born Georgios Gotzias, was an Orthodox Metropolitan of Patras.
Germanos was born in Dimitsana, northwestern Arcadia, Peloponnese. Before his consecration as Metropolitan of Patras by Patriarch Gregory V, he had served as a priest and Protosyngellus in Smyrna.
According to tradition and several written sources, on March 25 (6 April, Greg.Calendar), 1821, Bishop Germanos blessed a Greek flag at the Monastery of Agia Lavra and proclaimed the national uprising against the Ottoman Empire. Another revolt of the Greek War of Independence had also been declared on February 21 by Alexandros Ypsilantis in Iaşi.