NI

NI may refer to:

Aviation

• NI, IATA's code for the Portugália airline

Business

• National Instruments, a U.S. producer of automated test equipment and virtual instrumentation software
• National Insurance, a system of taxes and related social security benefits in the United Kingdom
• Native Instruments, a music software production company
• News International, a British newspaper publisher

Geography

• NI, Nicaragua's country code
  • .ni, Nicaragua's internet domain
• Norfolk Island, a self-governing external territory of Australia
• The North Island, one of the two main islands of New Zealand
• Northern Ireland, a constituent country of the United Kingdom
• Lower Saxony (German: Niedersachsen), a state of Germany, see ISO 3166-2:DE

Media

• The New Internationalist, a magazine

Politics

• Non-Inscrits (NI), members of the European Parliament not enrolled in any political group of the European Parliament

Science

• Nitrogen Triiodide, a sensitive contact explosive
• NI, a non-standard abbreviation for Ampere-turns

Miscellanea

• Natural insemination i.e. sexual intercourse in contrast to artificial insemination
• NI, Na Ispug Tank
• Nishan-e-Imtiaz, a Pakistani civilian decoration

See also

• Ni (disambiguation)