Orestes may refer to:
- Orestes (mythology), the son of Agamemnon in Greek mythology
- Orestes (play), by Euripides
- Orestes (name), originating in Ancient Greece
- Orestis region of Macedon
- Orestes of Macedon, a king in the 4th century BC
- Orestes (prefect), a 5th century official of Alexandria
- "Orestes", a song by A Perfect Circle on the album Mer de Noms
See also
- Flavius Orestes, a 5th century Roman politician
