Family name Lejnieks (Lejnieks 
) , around the world, is a rare surname. The cognomen Lejnieks is characteristic of Latvia, where it is quite a common surname, Lithuania, where it is a rare surname, and Bulgaria. Not in comparison with a country's population, it is commonest in Latvia, the United States, and Bulgaria.
| VARIANT | COUNTRY |
|---|---|
| Lejnieks | Lithuania, Bulgaria, United Kingdom, United States, Latvia |
| edgars lejnieks LV (b. 1889) |
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| arvīds lejnieks Latvian speed skater, LV (b. 1912) |
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| aivars lejnieks researcher (b. 1957) |
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| ja nis lejnieks researcher (ORCID 0000-0002-0029-5414) |
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| kārlis lejnieks Latvian tennis player, LV (b. 1988) |
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Mr, Helen, Ivars, Wendy, Martin, Madars, Modris, Sandis, Andris, Aivars, Carlos, Karlis, Reinis, Daniel, George, Joanna, Jānis, Thelma, Nauris, Elvijs, Edward, Edgars, Henry, Tracy, Trina, Juris, Mã, Ana, Pã, Lee, Igo, Andy, Aina, Greg, John, Todd, Valdis, Ints, Arvis, Aaron, Carly, Brian, Keana, David, Davis, Girts, Gints, Janis, Olav, and Ingars