Last name Ruigrok (Ruigrok 
) , around the globe, is quite a rare cognomen. The family name Ruigrok is characteristic of Netherlands, where it is quite a rare surname, Ireland, and Australia, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in Netherlands, Australia, and Canada.
| VARIANT | COUNTRY |
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| Ruigrok | Netherlands, Canada, Australia, United States, Ireland |
| machiel ruigrok Dutch Righteous Among the Nations, NL (b. 1894) |
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marja ruigrok Politician and Entrepreneur, NL (b. 1965) |
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| wim ruigrok Dutch photographer, NL (b. 1939) |
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| andré ruigrok Dutch photographer, NL (b. 1949) |
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| y m ruigrok researcher |
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| silvie r ruigrok researcher |
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| rob w h ruigrok researcher (ORCID 0000-0002-8094-6642) |
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| mitchel j r ruigrok researcher |
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| tom j h ruigrok researcher |
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| dieuwertje ruigrok researcher |
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| katinka ruigrok researcher (ORCID 0000-0002-4699-7606) |
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| amber n v ruigrok researcher ORCID ID = 0000-0001-7711-8056 |
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| elmer n ruigrok researcher, ORCID id # 0000-0001-7153-5115 |
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| margaretha ruigrok Dutch Righteous Among the Nations, NL (b. 1982) |
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