UN is an abbreviation for the United Nations, an intergovernmental organisation with 195 member states.

UN or Un may also refer to:

Undo

• UN (band), a Korean musical group
• U.N. (hip hop group), an American hip hop duo
• UN (album), an album by Dan Black
• Un (album), by the anarchist band Chumbawamba

• Un, a village in Lum Choar, Cambodia
• Un, Surat, a town in Gujarat, India
• Un, Uttar Pradesh, a town in India

• Lance Rivera, known as Lance "Un" Rivera, American film producer
• Transaero (IATA code:UN)
• National Exam (Indonesia) (Ujian Nasional)
• Uranium mononitride, part of the uranium nitride family of compounds

• UN number, a four-digit number that identifies a hazardous substance

• Union Nationale (disambiguation), any one of several political parties
• United Nations (disambiguation)
• Unn (disambiguation)

This disambiguation page lists articles associated with the title UN.
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