Worldwide, Iwonka (Iwonka 
) is a rare girly first name. The first name Iwonka is habitual in Poland, where it is a rare girly name, and Germany, where it is a very rare female name. Very seldom, Iwonka is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Iwonka | Germany, Spain, United States, Poland, Denmark |
| iwonka bogumila szymanska Polish composer and musician (b. 1943) |
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| iwonka vik Norwegian swimmer (b. 1981) |
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