U2 (disambiguation)

U2 is an Irish rock band.

U2 or U-2 may also refer to:

Arts and entertainment

• U2 by U2, an autobiography by the band members
• U2 (EP), a withdrawn 1991 record by Negativland
• Ultima II: The Revenge of the Enchantress, a 1982 role-playing video game
• Uncharted 2: Among Thieves, a 2009 action-adventure video game
• "U-2", a 2010 song of the bounty series by Iamamiwhoami
• U2, an Indian Kannada-language music television channel

Aviation

• Lockheed U-2, a U.S. reconnaissance aircraft
• EasyJet (IATA code: U2), an airline
• Polikarpov U-2, a Soviet biplane known as U-2 before 1944
• Wills Wing U2, an American hang glider design
• Udet U 2, a German light aircraft

Transportation and vehicles

• German submarine U-2, one of several German submarines
• U2, a Transport for London bus route from Uxbridge to Brunel University
• Siemens–Duewag U2, a light rail vehicle

U-Bahn lines

• U2 (Berlin U-Bahn)
• U2 (Frankfurt U-Bahn)
• U2 (Hamburg U-Bahn)
• U2 (Munich U-Bahn)
• U2 (Nuremberg U-Bahn)
• U2 (Vienna U-Bahn)

Organizations

• Under2 Coalition, a group of states and subnational jurisdictions committed to fighting climate change
• U2 Clothing, a casual-wear brand

Science and technology

• Diuranium (U₂), two uranium atoms in a molecule
• U(2), the two-dimensional unitary group in mathematics

Biology

• U2 spliceosomal RNA, a component of the spliceosome
• Urotensin 2, a cardiovascular peptide
• Haplogroup U2 (mtDNA), a human mitochondrial DNA lineage

Computing and electronics

• D battery, a dry-cell battery type also known as U2
• U.2 (formerly known as SFF-8639), a connector used by some NVM Express storage devices
• Rocket U2, UniVerse and UniData database systems
• The Apple U2, an ultra-wideband chip

Other uses

• U2, an unemployment figure released by the U.S. Bureau of Labor Statistics
• Nikon U2, a film SLR camera also known as the F75 and N75

See also

• All pages with titles containing U-2
• 1960 U-2 incident, an international incident involving a U.S. Lockheed U-2 over the Soviet Union
• Yutu
• You Too (disambiguation)
• "You Two", a song from the 1968 musical film Chitty Chitty Bang Bang
• 2U (disambiguation)
• UU (disambiguation)