Last name Olekhnovich (Олехнович 
, Olekhnovich 
) , all around the world, is quite a rare cognomen. The family name Olekhnovich is characteristic of Eastern Europe, particularly Belarus, where it is quite a common surname, Ukraine, where it is a rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Олехнович | Belarus, Russia, Kazakhstan, Ukraine |
| Olekhnovich | Belarus, Russia, United States |
Alachnowicz, Alechnowitsch, Alekhnovich, Aliakhnovich, Olechnovič, Olechnowicz, Olechnowitsch, Olekhnovych, Алехнович, Аляхновіч, and Олехновіч
| igor olekhnovich researcher |
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| roman olekhnovich researcher (ORCID 0000-0002-6894-1224) |
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| evgenii i olekhnovich researcher |
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