Surname Ducastel (Ducastel 
) , around the globe, is quite a rare last name. The last name Ducastel is characteristic of France, where it is quite a rare surname, Belgium, where it is a rare surname, and Portugal. Not in comparison with a country's population, it is the most numerous in France, Belgium, and the United States. Much less frequently, Ducastel is the forename as well as the last name.
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| Ducastel | Belgium, France, Portugal, United States, Germany |
| jean-baptiste louis ducastel French politician, FR (b. 1739) |
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| hippolyte-polydore ducastel Belgian politician, BE (b. 1863) |
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| pierre ducastel French politician, FR (b. 1952) |
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| olivier ducastel French film director and screenwriter, FR (b. 1962) |
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| franck ducastel French politician, FR (b. 1974) |
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| laurent ducastel FR (b. 1965) |
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| marie ducastel FR (b. 1968) |
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| sarah ducastel researcher |
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| alexandre-eugène ducastel |
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Mr, Frã, Inge, Olga, Yann, Yael, Yves, Zian, Marie, Moina, Meddy, Sarah, Alain, Alban, Allan, Andre, Anais, Anita, Chuck, Chris, Chloe, Carla, Vinx, Enzo, Erik, Eric, Ms, Jb, Guy, Luc, Jã, Eva, Marc, Mäx, Alex, Alan, Cathy, Anne, Rene, Remi, Loic, John, Jess, Jean, July, Tony, Nina, Eden, Clã, and Clyde