UNF may refer to:
Technology
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Unified fine thread
The Unified Thread Standard (UTS) defines a standard thread form and series—along with allowances, tolerances, and designations—for screw threads commonly used in the United States and Canada. It is the main standard for bolts, nuts, and a wi ...
, screw thread series
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Unnormalized form, a database data model
Organizations
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UniFirst, a supplier of uniforms
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United National Front (Afghanistan)
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United National Front (Sri Lanka)
The United National Front (UNF) () later the United National Front for Good Governance (UNFGG) ( si, එක්සත් යහපාලන ජාතික පෙරමුණ ''Eksath Yahapalana Jathika Peramuna''; ta, நல்லாட்ச ...
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United Nations Foundation, a fund-raising organization
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University of North Florida, Jacksonville, US
* , the Danish Youth Association of Science
* , a Swedish youth temperance organisation
* or National Fascist Union, Argentina, 1936-1939
* or National University of Formosa, Argentina
{{disambiguation