Surname Ulens (Ulens 
) , worldwide, is a rare family name. The family name Ulens is characteristic of Belgium, where it is quite a rare surname, Poland, where it is a very rare surname, and Argentina. In absolute terms, this name is the most popular in Belgium, Poland, and the United States. Much less frequently, Ulens is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Ulens | France, Argentina, Poland, United States, Belgium |
| victor ulens Dutch Righteous Among the Nations, NL (b. 1880) |
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| johanna ulens Dutch Righteous Among the Nations, NL (b. 1891) |
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| willy ulens Belgian association football player (1909-1970), BE (b. 1909) |
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| jan ulens BE (b. 1933) |
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| arthur ulens businessman, BE (b. 1946) |
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| chris ulens researcher (ORCID 0000-0002-8202-5281) |
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| jean-henri ulens Dutch politician, BE |
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| pieter jan ulens |
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| stan ulens |
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Mr, Nico, Eric, Erik, Hans, Hugo, Fred, Inge, Ivan, Ward, Maria, Marie, Sarah, Shana, Sonja, Scott, Anais, Annie, Chris, Cindy, Karin, Kelly, Joke, Jana, Ludo, Lien, Ms, Ann, Amy, Kim, Luc, Jan, Jos, Tom, Tim, Nic, Kevin, Eva, Wim, Marc, Mike, Sven, Bart, Beth, Kara, Kris, Paul, Dirk, Evi, and Pablo