Alexandros Koumoundouros was a Greek politician. Born in Kampos, on the Messenian side of the Mani Peninsula, he was the son of Spyridon-Galanis Koumoundouros, the bey of the area during the last period of the administration of the region by the Ottoman Empire.

The prime minister of the Hellenic Republic, colloquially referred to as the prime minister of Greece, is the head of government of the Hellenic Republic and the leader of the Greek Cabinet.