Cognomen Costermans (Costermans 
) , across the world, is a rare last name. The cognomen Costermans is habitual in Western Europe, particularly Belgium, where it is quite a rare surname, Netherlands, where it is a rare surname, and France, where it is a very rare surname. Very seldom, Costermans is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Costermans | Germany, Belgium, Spain, France, Netherlands |
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paul costermans Belgian explorer (1860-1905), BE (b. 1860) |
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| leon f. costermans botanist (b. 1933) |
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| jean costermans 05/08/1935 - 07/05/2000 (b. 1935) |
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| dominique costermans Belgian writer and photographer, BE (b. 1962) |
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| luc costermans BE (b. 1965) |
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| natasja costermans researcher (ORCID 0000-0003-3995-7777) |
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| raf costermans |
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| barbara costermans |
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Mr, Lise, Lien, Lode, Ludo, Joos, Jens, Nico, Nils, Elke, Eddy, Eric, Erna, Hans, Hugo, Huib, Ines, Ivan, Maria, Manja, Sofie, Steve, Leen, Stijn, Ghis, Dirk, Ms, Jo, Mia, Ann, Rob, Luc, Jan, Jos, Tim, Marc, Mark, Anne, Arno, Bart, Bert, Koen, Paul, Rita, Rien, Rhan, Dave, Gert, and Amber