Family name Ratka (Ratka 
) , globally, is quite a rare cognomen. The surname Ratka is characteristic of North Macedonia, where it is quite a common surname, Liechtenstein, where it is quite a rare surname, and Poland, where it is a rare surname. Measured by absolute frequency, the name is most common in North Macedonia, Poland, and the United States. Likewise, Ratka is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Ratka | Germany, North Macedonia, Poland, United States, Serbia |
| wiktor ratka German psychiatrist (1895-1966), PL (b. 1895) |
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marcus ratka AT (b. 1970) |
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| czesław ratka Polish engineer and translator (born 1952), PL (b. 1952) |
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tobias alexander ratka AT |
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| richard ratka German handball player, DE (b. 1963) |
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| thomas ratka academic, AT (b. 1973) |
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| christoph ratka researcher |
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| ola ratka graduate of Te Kura Toi Whakaari o Aotearoa: New Zealand Drama School in 2020 |
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| ratka krstulović |
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