Meno (/ˈmiːnoʊ/; Greek: Mένων, Menon; c. 423 – c. 400 BC), son of Alexidemus, was an ancient Thessalian political figure. Probably from Pharsalus, he is famous both for the eponymous dialogue written by Plato in which he features and his role among the generals killed by Artaxerxes at the Battle of Cunaxa, as depicted in Xenophon's Anabasis.
Meno is reported, by both Xenophon and Plato, to have been attractive and in the bloom of youth and was quite young at his death. He had many lovers, including Aristippus of Larissa, Tharypas, and Ariaeus the Persian. Xenophon gives a strongly hostile description of Meno as a disreputable, ambitious and dishonest youth, willing to commit any injustice for advancement, though Meno's actions in the Anabasis may not entirely merit such a negative portrait.
Meno while still young was given command of 1000 hoplites and 500 peltasts from Thessaly as hired by Aristippus to assist Cyrus the Younger in his attempt to seize the Persian throne from his brother Artaxerxes. Artaxerxes was made king of Persia upon the death of Darius II, but Cyrus believed that he had a more rightful claim to the throne and gathered an army to contend his kingship. Cyrus gathered together Persian supporters and Greek mercenaries, including Xenophon himself. Cyrus at first deceived the Greeks about the purpose of his mission and led them some considerable way, to the Euphrates River at Thapsacus, before telling them his true intentions.