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Last name Kej (Kej
, Кей
, Кэй
) , all over the world, is a rare family name. The last name Kej is characteristic of Denmark, where it is quite a rare surname, Guatemala, where it is a rare surname, and Kyrgyzstan. Not in comparison with a country's population, the name is most common in Guatemala, Denmark, and India. Likewise, Kej is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kej | India, Denmark, Indonesia, Poland, Guatemala |
| Кей | Ukraine, Russia, Kyrgyzstan, Kazakhstan |
| Кэй | Russia, Kazakhstan |