U2 is an Irish rock band.

U2 or U-2 may also refer to:

Arts and entertainment

• U2 (EP), a withdrawn 1991 record by Negativland
• U2 by U2, an autobiography by the band members
• 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 by Iamamiwhoami
• U2, an Indian Kannada-language music television channel

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

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

Aviation

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

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)

Other uses

• U2, an unemployment figure released by the U.S. Bureau of Labor Statistics

See also

Search for "u2"  or "u-2" on Wikipedia.

• 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
• You Too (disambiguation)
• " You Two", a song from the 1968 musical film Chitty Chitty Bang Bang
• 2U (disambiguation)
• UU (disambiguation)

Topics referred to by the same term

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