Cognomen Knoz (Knoz 
, Нокс 
) , worldwide, is a rare last name. The last name Knoz is characteristic of Czechia, where it is a rare surname, Egypt, and Morocco, where it is a very rare surname. Also, Knoz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Knoz | Egypt, Czechia, United States, Morocco |
| Нокс | Russia, Kyrgyzstan, Ukraine |
| vladimír knoz CZ (b. 1904) |
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| miroslav knoz CZ (b. 1918) |
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| jan knoz Czechoslovak zoologist, CZ (b. 1931) |
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| tomáš knoz Czech historian and university educator, CZ (b. 1965) |
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