In Greek mythology, Ocythous (Ancient Greek: Ὠκύθοον means ‘swift-running’) may refer to the following:
- Ocythous, one of the Corybantes.
- Ocythous, a Trojan warrior who participated in the Trojan War. He was slain by the Greek hero, Ajax the Greater.1
- Ocythous, one of Actaeon's dogs which destroyed their owner when he was transformed into a deer.2