MEC may refer to:

Businesses

  • MEC (media agency), a media agency network based in London and New York
  • Mediterranean Exploration Company, a restaurant in Portland, Oregon
  • Mongolia Energy Corporation, a mining company
  • Morgan Electro Ceramics, a ceramics manufacturing company
  • Mountain Equipment Co-op, a defunct Canadian outdoors gear & clothing retail co-operative
  • MEC Canada, its successor
  • Myanmar Economic Corporation, a Burmese military-owned corporation

Education

  • Mymensingh Engineering College, Mymensingh, Bangladesh.
  • Manufacturing Engineering Centre, Cardiff University, United Kingdom
  • Master of Economics (M.Ec.), a postgraduate degree
  • Midland Empire Conference, a high school activity conference in Missouri, USA
  • Model Engineering College, Cochin, Kerala, India

Medicine

  • Mucoepidermoid carcinoma

Politics

  • Member of the Executive Council, a member of the South African provincial government
  • Ministry of Education (Brazil), the Brazilian education ministry
  • Ministry of Education and Culture (Uruguay)
  • Movement for Economic Change, a political party in Lesotho

Religion

  • Methodist Episcopal Church, the progenitor of present-day Methodist denominations in the Americas
  • Metropolitan Evangelistic Church, a Methodist denomination in the holiness movement

Sports

  • Madureira Esporte Clube, an association football club in Rio de Janeiro, Brazil
  • MEC (basketball), Maison d'Enfants Club, a professional basketball club in Casablanca, Morocco
  • Motor Enthusiasts Club, motor club in the Republic of Ireland
  • Mountain East Conference, a U.S. college athletic conference

Transport

  • Eloy Alfaro International Airport (IATA airport code), Manta, Ecuador
  • Maine Central Railroad (reporting mark), a former railroad in Maine, U.S.
  • Meols Cop railway station (National Rail code), Merseyside, England

Technology

  • Media Expansion Card, a type of PCIe computer expansion card
  • Microbial electrolysis cell, a type of bioelectrochemical system
  • Multi-access edge computing, a network architecture concept

Other

  • Marginal efficiency of capital, an economics theory
  • Measured environmental concentration of a substance in an environmental sample
  • Mec, Poland
  • Munitions and explosives of concern, unexploded ordnance