Trion Navarchon Street (Greek: Οδός Τριών Ναυάρχων, translated: "Street of the three Admirals"), is a street in central Patras, Greece. Most of the street has been pedestrianized. It runs from Othonos-Amalias Avenue, at the port of Patras, to Athanasiou Diakou Street, near Psilalonia Square.
Trion Navarchon Street is named after the admirals of the British, French and Russian fleets who intervened in favour of Greece in the Battle of Navarino.