Surname Delval (Delval 
) , all over the world, is quite a common family name. The family name Delval is habitual in Western Europe, particularly France, where it is quite a rare surname, Belgium, and Luxembourg. In absolute terms, the name is most common in France, Mexico, and Belgium. Much less frequently, Delval is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Delval | Belgium, Mexico, France, United States, Spain |
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juan delval ES (b. 1941) |
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marie-hélène delval FR (b. 1944) |
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| jacques delval sport shooter, BE (b. 1908) |
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| ephren delval BE (b. 1899) |
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pierre delval French criminologist, FR (b. 1960) |
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| raymond delval French official (b. 1917) |
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julien delval French illustrator, FR (b. 1972) |
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| jacques delval French writer, FR (b. 1939) |
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| robert delval (b. 1934) |
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| philippe delval French association football player, FR (b. 1959) |
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| denis delval FR (b. 1964) |
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| martin delval French politician, FR |
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| arnaud delval researcher |
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| richard delval Dutch entomologist, NL |
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| irene delval researcher |
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