MEI

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)