UM or um may refer to:

Universities

U of M (disambiguation) U of M is an abbreviation that can refer to any of several universities: In the United States * University of Maine * University of Maryland * University of Massachusetts * University of Memphis * University of Miami * University of Michigan * Univ ...

or UM, abbreviation for various universities

Businesses

Universal McCann Universal McCann (UM) is a global media and advertising agency. UM is a member of Interpublic Group, operating under the IPG Mediabrands branch. Some of its regional offices are known as Universal Media rather than Universal McCann but are still ...

, a global advertising and media agency * United Motors Company, a former name of American automotive parts supplier ACDelco *

Air Zimbabwe Air Zimbabwe (Pvt) Ltd (operating as Air Zimbabwe) is the national carrier of Zimbabwe, headquartered on the property of Robert Gabriel Mugabe International Airport, in Harare. From its hub at Robert Gabriel Mugabe International Airport, the carr ...

(IATA code UM)

Science and technology

.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 *

Um interface The Um interface is the air interface for the GSM mobile telephone standard. It is the interface between the mobile station (MS) and the Base transceiver station (BTS). It is called Um because it is the mobile analog to the U interface of ISDN ...

, the air interface for the GSM mobile telephone standard *

Micrometre The micrometre ( international spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American spelling), also commonly known as a micron, is a unit of length in the International System of Unit ...

(μm), sometimes written as "um" in limited character sets *

Unified Model The Unified Model is a numerical weather prediction and climate modeling software suite originally developed by the United Kingdom Met Office, and now both used and further developed by many weather-forecasting agencies around the world. The Unif ...

, a global numerical weather prediction model *

Ultrarapid metabolizer Pharmacogenomics is the study of the role of the genome in drug response. Its name ('' pharmaco-'' + ''genomics'') reflects its combining of pharmacology and genomics. Pharmacogenomics analyzes how the genetic makeup of an individual affects the ...

, a term used in pharmacogenomics to refer to individuals with substantially increased metabolic activity *

User manual A user guide, also commonly known as a user manual, is intended to assist users in using a particular product, service or application. It's usually written by a technician, product developer, or a company's customer service staff. Most user guid ...

, a document or manual intended to give assistance to people using a particular system *

Utilization management Utilization management (UM) or utilization review is the use of managed care techniques such as prior authorization that allow payers, particularly health insurance companies, to manage the cost of health care benefits by assessing its appropriaten ...

, the evaluation of the appropriateness, medical need and efficiency of health care

Other uses

Um (Korean surname) Um, also spelled as Uhm, Eom, Ohm or Om, is a relatively uncommon family name in Korea. It is written using the same character as the Chinese surname, Yan (嚴). It has only one clan, the Yeongwol Eom clan, based in Yeongwol, Gangwon Province ...

* "Um", an exclamation or filler in spoken conversation *

Um (cuneiform) The cuneiform alphabetic um sign, also dup, tup, ṭup, and DUB, the Sumerogram (logogram), for Akkadian language "ṭuppu",Parpola, 1971. ''The Standard Babylonian Epic of Gilgamesh'', Glossary, pp. 119-145, ṭuppu, p. 144. (= the clay tablet ...

, a sign in cuneiform writing *

Umphrey's McGee Umphrey's McGee is an American jam band originally from South Bend, Indiana. The band experiments with many musical styles, including rock, metal, funk, jazz, blues, reggae, electronic, bluegrass, country, and folk. They have toured regularly ...

, a jam band *

Unofficial magistrate In Sri Lanka, a Justice of the Peace and Unofficial magistrate (also known as Acting magistrate) is a judicial appointment made by the Minister of Justice to a particular jurisdiction under the ''Judicature Act No 02 of 1978''. An Unofficial magistr ...

, as a postnominal *

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 diff ...

, in marketing *

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) *

Union for the Mediterranean The Union for the Mediterranean (UfM; french: Union pour la Méditerranée, ar, الإتحاد من أجل المتوسط ''Al-Ittiḥād min ajl al-Mutawasseṭ'') is an intergovernmental organization of 43 member states from Europe and the M ...

, an intergovernmental organization of 43 countries from Europe and the Mediterranean Basin *

Uttaradi Math Shri Uttaradi Math (IAST:''Śrī Uttarādi Maṭha'') (also known as Uttaradi Peetha), is one of the main monasteries (matha) founded by Madhvacharya with Padmanabha Tirtha as its head to preserve and propagate Dvaita Vedanta (Tattvavada) outs ...

, a Hindu matha (monastery) *

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 evangelic ...

, a religious organization {{disambiguation