Themison

Themison (Θεμίσων) may refer to:


 * Themison of Eretria, 4th-century BC tyrant of Eretria
 * Themison of Laodicea, 1st-century BC Greek physician
 * Themison of Samos, 4th-century BC admiral
 * Themison of Thera, merchant
 * Themison of Cyprus, king of Keryneia