Cognomen Radoničić (Radoničić 
) , throughout the world, is an extremely rare family name. The cognomen Radoničić is characteristic of Southern Europe, particularly Croatia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Radoničić | Croatia |
| trifon radoničić Roman Catholic bishop (b. 1839) |
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| karlo radoničić Croatian physician, IT (b. 1879) |
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| marko radoničić HR |
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