J2
J2 is an abbreviation for:
- Azerbaijan Airlines , an airline in the IATA code
- Centro Intelligence Interforze , a military intelligence service of the Italian General Staff
- Nationality mark for aircraft from Djibouti
- HMS J2 , a British Royal Navy submarine during World War I.
- Hyundai Coupé , the first generation of the Korean car model
- Hyundai Lantra , the second generation of the Korean car model
- J-2 (rocket engine) , a rocket engine that was used on the Saturn V rocket
- J2 League , the second Japanese football league
- Jack Rabbit 2 , the former name of a roller coaster in Clementon Amusement Park
- Preventive medical check-up J2 for 16- to 18-year-old youngsters, see Children's preventive check-up
- Junkers J 2 , a type of aircraft
- MG J2, a British car model, see MG J-Type # J2 Midget (1932–1934)
- "Military Security", department of the Armed Forces Command of the Austrian Armed Forces
- the intelligence system in the operational command of the Bundeswehr
- Food key for soy products, see federal food key # Food main groups and subgroups (positions 1 + 2)
- the Johnson body J 2 , the pentagonal pyramid
- the quadrupole moment J 2 of the earth's gravitational potential, see Geoid # Geoid approximations with spherical functions
- the J 2 approximation of the rotation of the apse, named after the quadrupole moment of the gravitational potential , see apse rotation # Artificial earth satellites
- the Janko group J 2
