Last name Carwin (Carwin 
) , around the globe, is a rare surname. The family name Carwin is characteristic of Jamaica, where it is quite a rare surname, Australia, where it is a very rare surname, and Venezuela. Measured by absolute frequency, it is commonest in the United States, Indonesia, and Jamaica. Likewise, Carwin is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Carwin | Philippines, Jamaica, Venezuela, United States, Indonesia |
| sarah carwin British suffragette, feminist and nurse (b. 1865) |
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| heinz carwin Austrian writer (1920-2004), AT (b. 1920) |
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shane carwin American mixed martial artist, US (b. 1975) |
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