Cognomen Радоњић (Радоњић 
) , in all the world, is a rare family name. The cognomen Радоњић is characteristic of Southern Europe, particularly Serbia, where it is quite a rare surname.
| VARIANT | COUNTRY |
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| Радоњић | Serbia |
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вуколај радоњић Last Montenegrin Guvernadur (1765-1832), ME (b. 1765) |
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| јован радоњић Montenegrin noble, ME (b. 1748) |
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| миљко радоњић politician, RS (b. 1770) |
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дејан радоњић Montenegrin basketball player and head coach, ME (b. 1970) |
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милан радоњић Serbian artist, RS (b. 1973) |
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срђан радоњић Montenegrin footballer, ME (b. 1981) |
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| бошко радоњић Serbian mobster (1943-2011), RS (b. 1943) |
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| горан радоњић Montenegrin kickboxer, ME (b. 1983) |
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