J2

J2, J.II or J-2 may refer to:

Codes and classifications

• J2, the IATA airline designator for Azerbaijan Airlines
• J-2 visa, a nonimmigrant visa issued by the United States for spouses and dependents of J-1 visa exchange visitors
• ATC code J02, a subgroup of the Anatomical Therapeutic Chemical Classification System
• Haplogroup J2 (Y-DNA), a Y-DNA haplogroup
• Janko group J2 in mathematics
• Jinja2, a Python template engine that uses file extension .j2
• $J_{2}\,$, the Earth's second dynamic form factor in the Nodal precession

People and organizations

• j2 Global Communications, a tech company best known for electronic fax services
• J2, a former New Zealand music TV Channel
• TVB J2, a new digital TV channel owned by TVB in Hong Kong
• J. League Division 2, the second-tier of Japanese professional association football
• Jefatura de Inteligencia del Estado Mayor Conjunto de las Fuerzas Armadas (J-2), an Argentine intelligence agency
• J2, the Intelligence Directorate of the United States Joint Chiefs of Staff
• Director of Military Intelligence, the head of Irish Defence Forces intelligence sometimes referred to as J2

Vehicles

• J-2, a rocket engine used in the Saturn rockets and intended for use on the Space Launch System
• AEG J.II, a World War I German ground attack aircraft
• Albatros J.II, a World War I German single-engine, single-seat, biplane ground-attack aircraft
• Allard J2, any of several postwar American market-designed English cars
• Auster J-2 Arrow, a 1945 British single-engined two-seat high-wing touring monoplane
• HMAS J2, an Australian submarine
• Junkers J 2, a 1916 all-metal German fighter prototype aircraft
• LB&SCR J2 class, a British LB&SCR locomotive
• McCulloch J-2, a 1962 small, two-seat autogyro
• MG J-type, a 2-seat sports car produced by the MG Car company from 1932 to 1934
• Taylor J-2, a 1935 American two-seat light aircraft
• Mikoyan-Gurevich MiG-15, an aircraft called J-2 in China

Other uses

• J2, a comicbook character
• J2, a killer whale also known as Granny
• County Route J2 (California)
• S/2003 J 2, a retrograde irregular satellite of Jupiter
• Hell Cat, a roller coaster formerly named J2 at Clementon Amusement Park