Ie, ie, IE or I/E may refer to:

Arts and entertainment

• Iced Earth, a band from Florida, US

• Improv Everywhere, a comedy group

• Into Eternity (band), a band from Canada

• Individual events (speech), events centred around public speaking

Businesses and organizations

• Iarnród Éireann, or Irish Rail

• Identity Evropa, a white supremacist group in the United States

• Ie (trading houses), a Japanese cottage industry

• IE Business School, formerly Instituto de Empresa, a business school in Spain

• Immigration Enforcement, a UK law enforcement command

• Institut Eksekutif, an educational institution in Malaysia

• Institute for Energy, of the European Union

• Instituto Escuela (disambiguation), various entities

• Solomon Airlines (IATA airline designator)

Language

• id est (i.e.), Latin for "that is" or "in other words"

• ie (digraph)

• Ie (letter), a Georgian letter

• Indian English, the form of English spoken in the Republic of India

• International English, a global English language

• -ie, an English diminutive suffix

• Ye (Cyrillic), also spelled Ie, a Cyrillic letter that looks exactly like the Latin E

• Ukrainian Ye, also spelled Ie, the Cyrillic letter Є

• Interlingue, originally the Occidental language (ISO 639-1 code IE)

• Indo-European language family

Places

• Republic of Ireland, by ISO 3166-1 alpha-2 code

• Inland Empire, California, US

• Ie, Okinawa, Japan

• Old Irish name for the Scottish island of Iona (or Ì Chaluim Chille)

• Ie, Noardeast-Fryslân, Netherlands

Science and technology

Computing

• Internet Explorer, a web browser by Microsoft

• .ie, Internet top-level domain for Ireland

• Industrial Ethernet, a version of Ethernet

• Infinity Engine, a video game engine

• Information extraction, a type of information retrieval

• IntelliMouse Explorer, a brand of mouse by Microsoft

Other uses in science and technology

• Inclusion/exclusion criteria, in clinical trials

• Industrial ecology, the study of sustainable industrial systems

• Industrial engineering, an engineering discipline

• Information engineering, an engineering discipline

• Infective endocarditis, a form of endocarditis caused by infectious agents

• Information Element, a basic building block of wireless messages in a cellular network

• Ionization energy, the energy required to strip an atom or molecule of an electron

Other uses

• Ie, the classical Japanese family system

• Ie, a shirt in traditional Romanian dress

See also

• "i before e except after c", a spelling guideline of the English language

Indo-European (disambiguation), as in:

• Indo-European languages

• Proto-Indo-Europeans, Indo-European people

• Indo-European studies

  Ee, Dongeradeel, (West Frisian Ie), a Dutch village