Λλ Lambda is 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
- Lambda Geminorum, a star
- Lambda Paz, a moon
- Lambda Sagittarii, a star system
- Classifications
- Janeway Lambda One, a holodeck program
- "Janeway-lambda-3", a security code
- Lambda (classification), a classification in the mirror universe
- Lambda sequence, evasive maneuver used by Kathryn Janeway against the Kazon
- "Tuvok-1-4-9-4-lambda", a security clearance code
- Physics
- Lambda field generator, a generator that produced a lambda field