Surname Fideršek (Fideršek 
) , all around the world, is a very rare family name. The cognomen Fideršek is habitual in Southern Europe, particularly Slovenia, where it is quite a rare surname, and Croatia, where it is a very rare surname.
| franc fideršek SI (b. 1924) |
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| matej fideršek Slovenian futsal player (b. 1991) |
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