Cognomen Sietsma (Sietsma 
) , around the world, is a rare family name. The last name Sietsma is habitual in Netherlands, where it is quite a rare surname, Australia, where it is a rare surname, and Canada, where it is a very rare surname. Measured by absolute frequency, the name is most common in Netherlands, the United States, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Sietsma | Australia, Netherlands, Spain, Canada, United States |
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kornelis sietsma (b. 1896) |
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| arthur sietsma (b. 1919) |
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| herman sietsma Dutch politician, NL (b. 1953) |
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| jilt sietsma (b. 1956) |
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| hannie sietsma researcher |
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| jocelyn sietsma researcher, ORCID id # 0000-0003-1561-0074 |
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| hendrik sietsma Dutch Righteous Among the Nations, NL |
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| siebe sietsma Dutch investigative journalist |
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| anne j. sietsma |
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| jilt sietsma |
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| jan sietsma |
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| floor sietsma Ph.D. Universiteit van Amsterdam 2012 (b. 1992) |
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| wieger sietsma association football player, NL (b. 1995) |
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