In the world, Радојка (Радојка 
) is a very rare girly first name. The forename Радојка is habitual in Southern Europe, particularly Serbia, where it is a rare girly name.
| VARIANT | COUNTRY |
|---|---|
| Радојка | Serbia |
Радојка is also a name for the fictitious and mythical characters: Радојка , character in The crime of a mother-in-law: a crime short story: from the recent past/written by K. D. Jezdić according to authentic data and court acts.
| радојка лакић BA (b. 1917) |
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| радојка дончева MK (b. 1950) |
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| радојка аџић Serbian folk singer, RS (b. 1976) |
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| радојка коцијанчић RS |
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| радојка николић RS |
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