Cognomen Šef (Chef 
, Шеф 
, Šef 
) , worldwide, is a common surname. The family name Šef is characteristic of Maldives, where it is quite a common surname, United Arab Emirates, where it is quite a rare surname, and Algeria. Measured by absolute frequency, it is commonest in Algeria, Egypt, and Indonesia. Likewise, Šef is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chef | United Arab Emirates, Egypt, Algeria, Indonesia, Morocco |
| Шеф | Kazakhstan, Ukraine, Kyrgyzstan, Belarus, Russia |
| Šef | Slovenia, Croatia |
| alojzij šef SI (b. 1912) |
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| marjan šef SI (b. 1932) |
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| tomaž šef SI |
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| majda šef SI |
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