Last name Szefer (Szefer 
) , in the entire world, is a rare cognomen. The last name Szefer is characteristic of Poland, where it is quite a rare surname, France, where it is a very rare surname, and Norway. Not in comparison with a country's population, it is commonest in Poland, Brazil, and France. More frequently, Szefer is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Szefer | Germany, United States, Poland, France, Brazil |
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kazimierz szefer PL (b. 1861) |
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leopold szefer Polish mining engineer (1881-1970), PL (b. 1881) |
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andrzej szefer Polish historian, PL (b. 1930) |
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| stefan szefer Polish-American footballer, PL (b. 1942) |
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| sylwester szefer PL (b. 1957) |
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| jakub szefer Ph.D. Princeton University 2013 |
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