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 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) 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 discontinued web browser .ie, Internet top-level domain for the Republic of 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 (Japanese family system), 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