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

Look up ie, -ie, i.e., or IE in Wiktionary, the free dictionary.

• 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

• 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)

• 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

• 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

• Ie, the classical Japanese family system
• Ie, a shirt in traditional Romanian dress

• "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

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