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Family name Сей (Say
, Sei
, Sej
) , globally, is a widespread last name. The last name Сей is habitual in Myanmar, where it is quite a common surname, Guatemala, and Turkey (explore the name in all countries). Not in comparison with a country's population, the name is most common in India, Myanmar, and Turkey. Also, Сей is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Say | Myanmar, Turkey, India, Guatemala, Indonesia |
| Sei | Myanmar, Turkey, India, Japan, Indonesia |
| Sej | Philippines, Malaysia, India, Indonesia, United States |
| Сей | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |