MEI may refer to:

Education

  • MEI Academy, an international school
  • Mathematics in Education and Industry, an examination board affiliated with the OCR examination board
  • Mennonite Educational Institute, an independent grades K-12 school in Abbotsford, British Columbia

Businesses

  • MEI (company), a manufacturer of cash handling systems
  • Matsushita Electric Industrial Co., Ltd.
  • Member of the Energy Institute (MEI)
  • , an annual conference of Italian independent record labels

Government

  • Ministry of Economy and Innovation (), the Portuguese economy ministry
  • Middle East Institute
  • Marginal efficiency of investment, or internal rate of return, a relationship between interest rate and amount of investment that can be profitable at a given time
  • Montreal Economic Institute
  • Medicare Economic Index
  • Meridian Regional Airport (IATA code: MEI)
  • Meridian Multi-Modal Transportation Center (Amtrak code: MEI)

Military

  • MEI Hellhound (Grenade), a low-velocity multipurpose grenade
  • MEI Mercury, a family of grenades developed by Martin Electronics, Inc.

Science

  • Multivariate ENSO index
  • 4-Methylimidazole (4-MEI), a chemical compound

Technology

  • Management Engine Interface, a component of Intel Active Management Technology
  • Music Encoding Initiative, a music encoding format

Other uses

  • Middle East International, a bimonthly magazine published in London from 1971 until 2005
  • Media and Entertainment International, a former global union federation
  • OECD Main Economic Indicators, a monthly publication of the Organisation for Economic Co-operation and Development
  • Merit, excellence, and intelligence, a framework that emphasizes selecting candidates based solely on their merit, achievements, skills, abilities, intelligence and contributions

See also

  • Mei (disambiguation)