UM or um may refer to:
Universities
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U of M (disambiguation) or UM, abbreviation for various universities
Businesses
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Universal McCann, a global advertising and media agency
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United Motors Company
ACDelco is an American automotive parts brand owned by General Motors (GM). Factory parts for vehicles manufactured by GM are consolidated under the ACDelco brand, which also offers aftermarket parts for non-GM vehicles. Over its long history it ...
, a former name of American automotive parts supplier ACDelco
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Air Zimbabwe (IATA code UM)
Science and technology
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.um
.um was the Internet country code top-level domain for the United States Minor Outlying Islands. It was administered by the United States Minor Outlying Islands Registry. Until late 2006 USMIR was housed at the University of Southern California ...
, the Top-Level Domain for United States Minor Outlying Islands
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Um interface, the air interface for the GSM mobile telephone standard
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Micrometre
The micrometre (American and British English spelling differences#-re, -er, international spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American and British English spelling differences# ...
(μm), sometimes written as "um" in limited character sets
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Unified Model, a global numerical weather prediction model
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Ultrarapid metabolizer, a term used in pharmacogenomics to refer to individuals with substantially increased metabolic activity
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User manual, a document or manual intended to give assistance to people using a particular system
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Utilization management, the evaluation of the appropriateness, medical need and efficiency of health care
Other uses
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Um (Korean surname)
* "Um", an exclamation or
filler in spoken conversation
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Um (cuneiform), a sign in cuneiform writing
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Umphrey's McGee, a jam band
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Unofficial magistrate, as a postnominal
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Unified Messaging Unified messaging (or UM) is a business term for the integration of different electronic messaging and communications media ( e-mail, SMS, fax, voicemail, video messaging, etc.) technologies into a single interface, accessible from a variety of ...
, in marketing
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United States Minor Outlying Islands
The United States Minor Outlying Islands is a statistical designation defined by the International Organization for Standardization's ISO 3166-1 code. The entry code is ISO 3166-2:UM. The minor outlying islands and groups of islands consist ...
(ISO 3166 code UM)
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Union for the Mediterranean, an intergovernmental organization of 43 countries from Europe and the Mediterranean Basin
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Uttaradi Math, a Hindu matha (monastery)
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United Methodist
The United Methodist Church (UMC) is a worldwide mainline Protestant denomination based in the United States, and a major part of Methodism. In the 19th century, its main predecessor, the Methodist Episcopal Church, was a leader in evangelica ...
, a religious organization
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