Um or UM may refer to:

Businesses and organisations

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 Air ...

(IATA:UM) *

Union for the Mediterranean The Union for the Mediterranean (UfM; , ''Al-Ittiḥād min ajl al-Mutawasseṭ'') is an intergovernmental organization of 43 member states from Europe and the Mediterranean Basin: the 27 Member state of the European Union, EU member states (i ...

, an intergovernmental body *

United Methodist Church The United Methodist Church (UMC) is a worldwide mainline Protestant Christian denomination, denomination based in the United States, and a major part of Methodism. In the 19th century, its main predecessor, the Methodist Episcopal Church, was ...

United Motors Company ACDelco is an American automotive parts brand owned by General Motors, which also offers aftermarket parts for non-GM vehicles. Over its long history it has been known by various names such as United Motors Corporation, United Motors Service, an ...

, an American automotive parts supplier *

Universal McCann Universal McCann (UM) is an international 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 a ...

, a global advertising and media agency * Universal Medicine, an Australian cult

Language

* "Um", a filler in spoken English and some other languages *

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 prehistoric alphabetic sign

Science and technology

Micrometre The micrometre (English in the Commonwealth of Nations, Commonwealth English as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American English), also commonly known by the non-SI term micron, is a uni ...

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

Ultrarapid metabolizer Pharmacogenomics, often abbreviated "PGx," is the study of the role of the genome in drug response. Its name (''wikt:pharmaco-#Prefix, pharmaco-'' + ''genomics'') reflects its combining of pharmacology and genomics. Pharmacogenomics analyzes ho ...

, a term used in pharmacogenomics to refer to individuals with substantially increased metabolic activity * .um, the Internet domain for the US 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 IS ...

, the air interface for the GSM mobile telephone standard *

Unified Model The Unified Model is a numerical weather prediction and climate modeling software suite originally developed by the United Kingdom Met Office from 1990 and now both used and further developed by many weather-forecasting agencies around the world. ...

, a global numerical weather prediction model *

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 is usually written by a technician, product developer, or a company's customer service staff. Most user gu ...

, 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 medical ap ...

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

Other uses

Um (Korean surname) Um (), also spelled as Uhm, Eom, Eum, Ohm or Om, is a relatively uncommon surname 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 Pr ...

Umphrey's McGee Umphrey's McGee, sometimes stylized as UM, is an American rock band originally from South Bend, Indiana. The band experiments with many musical styles, including rock, metal, funk, jazz, blues, reggae, electronic, bluegrass, country, and ...

, a jam band, stylized as UM * Unified Messaging, in marketing *

United States Minor Outlying Islands The United States Minor Outlying Islands is a statistical designation applying to the minor outlying islands and groups of islands that comprise eight United States insular areas in the Pacific Ocean (Baker Island, Howland Island, Jarvis Isla ...

(ISO 3166:UM) *

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 magis ...

, as a postnominal *

Uttaradi Math Sri Uttaradi Math (also written as Uttaradi Matha or Uttaradi Mutt) (IAST:''Śrī Uttarādi Maṭha'') (also known as Uttaradi Pitha), is one of the main monasteries (matha) founded by Madhvacharya with Padmanabha Tirtha as its head to pre ...

, a Hindu matha (monastery) {{disambiguation