Last name Мечников (Мечников 
, Metchnikov, Mechnikov 
) , in the entire world, is a rare cognomen. The family name Мечников is characteristic of Kazakhstan, where it is a rare surname, Israel, where it is a very rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Мечников | Kazakhstan, Russia, Ukraine |
| Mechnikov | Russia, United States, Israel |
| Miecznikow | United States |
Ilja, Lev, and Metchnikoff
| мечников, евграф ильич Russian engineer, RU (b. 1770) |
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илья ильич мечников immunologist, embryologist, biologist, Nobel laureat, FR (b. 1845) |
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| мечников, валерьян валерьянович Russian scientist, RU (b. 1879) |
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| илья иванович мечников Russian officer, RU |
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| иван ильич мечников Russian lawyer, RU |
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