Hermetic or related forms may refer to:
- of or relating to the ancient Greek Olympian god Hermes
- of or relating to Hermes Trismegistus, a legendary Hellenistic figure based on the Greek god Hermes and the Egyptian god Thoth
- , philosophical and religious texts attributed to Hermes Trismegistus
- Hermeticism, a philosophical and religious tradition based on the teachings attributed to Hermes Trismegistus
- Hermetic Qabalah, a Western esoteric tradition involving mysticism and the occult
- Hermeticism (poetry), a form of obscure and difficult poetry
- Hermetic seal, an airtight seal
- Hermetic Press, an American publishing company
- Hermética, an Argentine thrash metal band
- Hermética (album), their 1989 debut album
- Hermeticum (album), a 1998 album by Moonspell
See also