Κκ Kappa 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
- Kappa Coronae Borealis, a star system
- Kappa Delphini, a star system
- Kappa Fornacis, a star system
- Kappa Ophiuchi, a star system
- Kappa Reticuli, a star system
- Kappa Tucanae, a star system
- Classifications
- "Kappa-alpha-4-6-0-1-7-0-4", assigned to Ambassador T'Pel
- "Kappa 0-1-0", a Starfleet attack maneuver
- Starships
- CSS Kappa, a frigate that served the Confederation of Earth during the early 25th century