EK can mean:
Ek Commando Knife Co., U.S. knife manufacturer.
East Kilbride, a large town in South Lanarkshire, Scotland
Eastern Kentucky Railway's AAR reporting mark
Emirates Airline's IATA airline designator
Equatorial Guinea's FIPS 10-4 and NATO country code
Exakelvin, an SI unit of temperature
Mitsubishi eK, a Japanese kei car
Elinkeinoelämän keskusliitto, Confederation of Finnish Industries
Eckankar, Religion of the Light and Sound of God
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