Εε Epsilon was a letter in the Greek alphabet of Earth, originating in the early period of Human history.
It was used in the following contexts:
- Astronomical nomenclature
- Epsilon IX sector / Epsilon sector
- Epsilon 119, a star
- Epsilon Ashanti III
- Epsilon Boötis, a star system
- Epsilon Canaris, a star
- Epsilon Canaris III, an inhabited planet
- Epsilon Ceti B, a star
- Epsilon Coronae Australis, a star
- Epsilon Eridani, a star
- Epsilon Fornacis, a planetary system
- Epsilon Gruis, a star system
- Epsilon Hydra VII, an inhabited planet
- Epsilon Hydrae, a star
- Epsilon IV, a planet
- Epsilon Indi / Epsilon Indi system
- Epsilon Indi II, an inhabited planet
- Epsilon Indi IV, an inhabited planet
- Epsilon Juday, a location
- Epsilon Legato, a star
- Epsilon Librae, a star system
- Epsilon Monocerotis, a star system
- Epsilon Mynos system
- Epsilon Nel system
- Epsilon Ophiuchi, a star system
- Epsilon Pavonis, a star system
- Epsilon Phoenicis, a star system
- Epsilon Reticuli, a star system
- Epsilon Scorpii, a star system
- Epsilon Sculptoris, a star system
- Epsilon Serpentis, a star system
- Epsilon Silar system
- Epsilon Ursae Majoris, a star system
- Epsilon Virginis, a planetary system
- Epsilon West IV, an inhabited planet
- Epsilon Wiltz IV, an inhabited planet
- Psi Epsilon III, an inhabited planet
- Psi Epsilon IV, an inhabited planet
- Science and technology
- Terminology
- "Corridor H -6, Section 27 Epsilon", location of quarters on Deep Space 9
- "Epsilon 2", a comm frequency
- "Epsilon 7-9-3", Picard's command code
- "Kirk Epsilon", a Starfleet evasive maneuver
- "O'Brien-Epsilon-Alpha-Molly 5-7-9", O'Brien's command code