Surname Koellmann (Koellmann 
) , all over the world, is a rare family name. The family name Koellmann is habitual in Switzerland, where it is a rare surname, Germany, and Singapore. Not in comparison with a country's population, this name is the most popular in Germany, Switzerland, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Koellmann | Germany, Spain, Singapore, Switzerland, United States |
| ludwig nicolaus koellmann DE (b. 1832) |
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| hans p. koellmann German architect, DE (b. 1908) |
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| gero koellmann (b. 1941) |
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Mr, Thomas, Hannah, Volker, Melanie, Andreas, Arianna, Katrina, Greydon, Benjamin, Jennifer, Jeremiah, Isabelle, Christoph, Ratchanee, Guillermo, Tanner, Timo Sebastian, Gladis, Keenan, Ms, Ty, Ann, Ted, Udo, Mark, Keri, John, Tina, Peggy, Derek, Sharon, Stefan, Bonnie, Kathie, Daniel, and Ratchanee Mai Ngam