MEK

MEK or Mek may refer to:

• Butanone (methyl ethyl ketone), a solvent, used also to weld some plastics
• People's Mujahedin of Iran (Mojahedin-e Khalq), an exiled Iranian organization
• MEK Compound, in Fallujah, Iraq, a large compound used by the U.S. military from 2003 to 2009
• Mek (comics), a comic mini series by Warren Ellis
• Hungarian Electronic Library (Magyar Elektronikus Könyvtár), a digital library
• Message Encryption Key, a type of key in cryptography
• Mobiles Einsatzkommando, a special police unit in Germany
• Mitogen-activated protein kinase kinase
• Mek people, an indigenous tribe of West Papua, Indonesia
• Mek languages, a family of Papuan languages spoken by the Mek peoples
• Mu Epsilon Kappa Society, an organization of anime clubs
• Meelo Evaru Koteeswarudu, a Telugu television show
• Mek, the title held by rulers of the Sultanate of Sennar