IMO or Imo may refer to:

Biology and medicine

Irish Medical Organisation The Irish Medical Organisation (Irish: ''Ceardchumann Dhochtúirí na hÉireann'' ) is a professional association for doctors in Ireland, and is also a trade union representing doctors in negotiations with the Irish government. The IMO was form ...

, the main organization for doctors in the Republic of Ireland *

Intelligent Medical Objects Intelligent Medical Objects (IMO) is a privately held company specializing in developing, managing and licensing medical vocabularies. IMO partners with various health care organizations, medical content providers and EHR developers. Founded i ...

, a privately held company specializing in medical vocabularies *

Isomaltooligosaccharide Isomaltooligosaccharide (IMO) is a mixture of short-chain carbohydrates which has a digestion-resistant property. IMO is found naturally in some foods, as well as being manufactured commercially. The raw material used for manufacturing IMO is starc ...

, a mixture of short-chain carbohydrates which has a digestion-resistant property * Idiopathic Massive Osteolysis, a name for

Gorham's disease Gorham's disease (pronounced GOR-amz), also known as Gorham vanishing bone disease and phantom bone disease, is a very rare skeletal condition of unknown cause, characterized by the uncontrolled proliferation of distended, thin-walled vascular ...

Maritime

International Maritime Organization The International Maritime Organization (IMO, French: ''Organisation maritime internationale'') is a specialised agency of the United Nations responsible for regulating shipping. The IMO was established following agreement at a UN conference ...

IMO number The IMO number of the International Maritime Organization is a generic term covering two distinct meanings. The IMO ship identification number, is a type of hull number used as a unique ship identifier, and the IMO company and registered owner ...

, a unique identity number issued to seacraft (pattern "1234567") * SS ''Imo'', a 1889 ship involved in the Halifax Explosion

Meteorology

International Meteorological Organization The International Meteorological Organization (IMO; 1873–1951) was the first organization formed with the purpose of exchanging weather information among the countries of the world. It came into existence from the realization that weather systems ...

Icelandic Meteorological Office Icelandic Meteorological Office (IMO; is, Veðurstofa Íslands) is Iceland's national weather service and as such a government agency under the Ministry of Environment and Natural Resources. It is also active in volcano monitoring, esp. volc ...

Other

International Mathematical Olympiad The International Mathematical Olympiad (IMO) is a mathematical olympiad for pre-university students, and is the oldest of the International Science Olympiads. The first IMO was held in Romania in 1959. It has since been held annually, except i ...

International Meteor Organization The International Meteor Organization (IMO) was formally founded in 1988 from predecessor gatherings over many years. IMO has several hundred members and was created in response to an ever-growing need for international cooperation on amateur and ...

Imo State Imo State ( ig, Ȯra Imo) is a States of Nigeria, state in the South East (Nigeria), South-East geopolitical zone of Nigeria, bordered to the north by Anambra State, Rivers State to the west and south, and Abia State to the east. It takes its n ...

, Nigeria *

imo.im ''imo'' is a proprietary audio/video calling and instant messaging software service. It allows sending music, video, PDFs and other files, along with various free stickers. It supports encrypted group video and voice calls with up to 20 particip ...

, a video calling and instant messaging app *

IMO (in my opinion) List of acronyms, (Main list of acronyms) __NOTOC__ * I – (s) Iodine – 1 (number), One (in Roman numerals) I0–9 * I2WD or I2WD – (i) U.S. Intelligence and Information Warfare Directorate (CERDEC) IA * ia (disambiguation), ia – (s) ...

, an Internet slang expression * Integration Management Office see

Post-merger integration Post-merger integration or PMI is a complex process of combining and rearranging businesses to materialize potential efficiencies and synergies that usually motivate mergers and acquisitions. The PMI is a critical aspect of mergers; it involves com ...

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