Tisamenus (Ancient Greek: Τισαμενός) is the name of several people in classical history and mythology: * Mythology * Tisamenus (son of Orestes), mythological king of Argos, and son of Orestes and Hermione. * Tisamenus (King of Thebes), a king of Thebes, son of Thersander and Demonassa. * History * Tisamenus of Elis, son of Antiochus, an ancient Greek seer and grandfather of the seer Agias of Sparta * Tisamenus, a descendant apparently of the above, who took part in the conspiracy of Cinadon, and was put to death for it in 397 BC.