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Family name Justyn (Justyn
, ジャスティン
, Юстин
) , around the world, is quite a rare cognomen. The surname Justyn is characteristic of Poland, where it is quite a rare surname, Malaysia, and Czechia, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Poland, Malaysia, and Japan. Also, Justyn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Justyn | Malaysia, Poland, Australia, United States, United Kingdom |
| ジャスティン | Japan |
| Юстин | Kazakhstan, Kyrgyzstan, Russia, Ukraine |
| Иустин | Kazakhstan, Russia |