EK
- Confederation of Finnish Industries
- Devanagari numerals
- EC (disambiguation)
- ECC (disambiguation)
- EQ (disambiguation)
- East Kilbride
- Eastern Kentucky Railway
- Eastman Kodak
- Eck (disambiguation)
- Ek
- Ek Commando Knife Co.
- Ek Park
- Ekk (disambiguation)
- Ektara
- Emirates (airline)
- Enchanted Kingdom
- Eric Kirkham Cole Limited
- European Kindred
- Exakelvin
- Iron Cross
- Kinetic energy
- Mitsubishi eK