IRL may refer to:

  • Republic of Ireland using ISO 3166-1 alpha-3 country code
  • Industrial Research Limited, a New Zealand Crown Research Institute
  • Indian River Lagoon
  • Indy Racing League, the former name of IndyCar, a U.S. based sanctioning body of open-wheel racing
  • In Real Life, a Canadian reality TV show
  • Irlam railway station, England; National Rail station code IRL.
  • Institute for Research on Learning, a research organization in Palo Alto, California, existing from 1986 to 2000
  • Internet Resource Locator
  • Ramon Llull Institute (Institut Ramon Llull), an organization for the promotion of Catalan language and culture
  • Union of Pro Patria and Res Publica, an Estonian political party (in Estonian Isamaa ja Res Publica Liit)
  • Internet slang meaning "In Real Life" commonly used when describing the reality of something
  • Independent record label
  • A slang abbreviation for Internet Radio Linking Project, IRLP