Last name Kulvik (Kulvik 
) , worldwide, is a rare family name. The surname Kulvik is characteristic of Northern Europe, particularly Estonia, where it is quite a rare surname, Finland, and Norway.
| VARIANT | COUNTRY |
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| Kulvik | United Kingdom, Estonia, United States, Norway, Finland |
| gösta kulvik Finnish architect, FI (b. 1879) |
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| sigrid follestad kulvik politician, NO (b. 1921) |
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| barbro kulvik Finnish industrial designer, FI (b. 1942) |
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| hannes kulvik FI (b. 1948) |
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