Family name Sap (Sap 
, ทรัพย์ 
, Sappa 
) , all over the world, is a common last name. The last name Sap is characteristic of Belgium, where it is quite a rare surname, Cameroon, and Netherlands. In absolute terms, the name is most common in India, Indonesia, and Turkey. Much less frequently, Sap is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sap | Italy, France, Turkey, Indonesia, India |
| ทรัพย์, สัพ | Thailand |
| Sappa | Italy, France, Indonesia, Malaysia, India |
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gustave sap Belgian politician (1886-1940), BE (b. 1886) |
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| julius sap Titanic survivor, BE (b. 1890) |
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| sap praphinphanayut (b. 1892) |
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| rené sap (b. 1901) |
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jan willem sap Dutch jurist, philosopher and university professor, NL (b. 1962) |
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jolande sap Dutch politician, NL (b. 1963) |
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| cécile sap BE (b. 1922) |
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| daniel sap French association football player (1949-2001), FR (b. 1949) |
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| carla sap (b. 1962) |
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| alexandre sap French entrepreneur, FR (b. 1974) |
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| duygu sap Ph.D. University of Pittsburgh 2017 |
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| maarten sap researcher |
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| suzanne sap researcher (ORCID 0000-0002-2061-6393) |
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| karen a sap researcher |
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| julie sap BE (b. 1992) |
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