Family name Belnap (Belnap 
) , across the world, is quite a rare surname. The family name Belnap is habitual in the United States, where it is a rare surname, New Zealand, and Canada, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in the United States, Canada, and Philippines.
| VARIANT | COUNTRY |
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| Belnap | Philippines, Switzerland, United States, Canada, Brazil |
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gilbert belnap Mormon pioneer, US (b. 1821) |
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david belnap American journalist (1922-2009), US (b. 1922) |
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jayne belnap American soil ecologist (1952- ), US (b. 1952) |
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| starlie c belnap researcher |
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| shane belnap college basketball player (1995–1996) Montana |
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| jason belnap Ph.D. University of Arizona 2005 |
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| bea herbeck belnap researcher |
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| hyrum belnap |
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