Family name Szejko (Szejko 
) , worldwide, is a rare last name. The surname Szejko is characteristic of Poland, where it is a rare surname, Finland, and the United States, where it is an extremely rare surname. Also, Szejko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Szejko | Finland, United States, Poland, South Africa |
| jan szejko PL (b. 1895) |
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| natalia szejko researcher (ORCID 0000-0001-6160-9221) |
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