Last name Навумчык (Навумчык 
) , around the world, is a very rare family name. The cognomen Навумчык is habitual in Eastern Europe, particularly Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Навумчык | Russia |
|
сяргей іосіфавіч навумчык Belarusian politician and journalist, BY (b. 1961) |
|
| віктар мікалаевіч навумчык BY (b. 1946) |
|
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| ала аляксандраўна навумчык BY (b. 1960) |
|