In the world, Clapp (كلاب 
, Clapp 
, Клап 
) is a rare male first name. The first name Clapp is habitual in Egypt, where it is a very rare masculine name, and Saudi Arabia. Much more prevalently, Clapp is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| كلاب | Jordan, Palestinian Territory, Sudan, Saudi Arabia, Egypt |
| Clapp | Brazil, Australia, United Kingdom, Canada, United States |
| Клап | Russia, Ukraine |
| Клэпп | Russia |
| harvey clapp American politician, US (b. 1817) |
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verner w. clapp American librarian, US (b. 1901) |
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| norton clapp American businessman (1906-1995), US (b. 1906) |
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| spencer harry john clapp (born 1912) (b. 1912) |
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| allen clapp American musician, US (b. 1967) |
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| averill clapp researcher |
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| mitchell burnside clapp American aerospace engineer and musician |
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