Family name Hewko (Hewko 
) , throughout the world, is a rare cognomen. The surname Hewko is habitual in Canada, where it is a rare surname, New Zealand, and the United States, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Canada, the United States, and France. Very seldom, Hewko is the forename as well as the last name.
| john hewko General-Secretary - Rotary International (b. 1957) |
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| bob hewko American gridiron football player, US (b. 1960) |
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| sarah hewko researcher (ORCID 0000-0002-8804-4686) |
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