Hermocrates (/hɜrˈmɒkrəˌtiːz/; Greek: Ἑρμοκράτης, c. 5th century – 407 BC) was an ancient Syracusan general during the Athenians' Sicilian Expedition in the midst of the Peloponnesian War. He is also remembered as a character in the Timaeus and Critias dialogues of Plato.