Last name Wietsma (Wietsma 
) , globally, is a rare cognomen. The surname Wietsma is habitual in Netherlands, where it is a rare surname, New Zealand, where it is a very rare surname, and the United States. Not in comparison with a country's population, it is the most numerous in Netherlands, the United States, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Wietsma | Netherlands, New Zealand, United States, Canada |
| annegriet wietsma director, NL |
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| jan jaap wietsma researcher |
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| rafal wietsma researcher |
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| willem a. wietsma |
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