Family name Gruden (Gruden 
, Груден 
, Грудень 
) , all over the world, is quite a rare surname. The family name Gruden is characteristic of Southern Europe, particularly Slovenia, where it is quite a common surname, Croatia, where it is quite a rare surname, and Serbia. In absolute terms, it is the most numerous in Slovenia, Italy, and the United States. Much less frequently, Gruden is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gruden | Croatia, Italy, Slovenia, United States, Serbia |
| Груден | Russia |
| Грудень | Ukraine, Russia |
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josip gruden Slovenе writer, SI (b. 1869) |
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igo gruden Slovene poet, translator, IT (b. 1893) |
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janez gruden SI (b. 1887) |
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pavla gruden Slovene-Australian poet, SI (b. 1921) |
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| janko gruden SI (b. 1861) |
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albert gruden IT (b. 1923) |
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stanko gruden IT (b. 1926) |
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| janez kapistran gruden US (b. 1884) |
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| dora gruden Yugoslav poet, IT (b. 1900) |
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| pavla gruden SI (b. 1894) |
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| josip gruden IT (b. 1901) |
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| mirko gruden Italian footballer (1911-1967), IT (b. 1911) |
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jon gruden American professional football coach; former college football player and coach, US (b. 1963) |
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| adolf gruden IT (b. 1905) |
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jay gruden American football coach and player (born 1967), US (b. 1967) |
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