Cognomen Cosmann (Cosmann 
) , in the entire world, is a rare last name. The cognomen Cosmann is habitual in New Zealand, where it is a rare surname, Germany, and Brazil, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Brazil, Germany, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Cosmann | Brazil, Germany, Netherlands, United States, New Zealand |
| friedrich wilhelm cosmann (b. 1764) |
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| oskar cosmann holocaust victim, b. 1884-01-03, DE (b. 1884) |
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| peggy cosmann (b. 1957) |
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Mr, Mauro, Merel, Metha, Myron, Aline, Anton, Artur, Clara, Clive, Bruno, Bruna, Kauê, Peter, Pedro, Renan, Ryann, Dirce, Dulci, Guido, Gilda, Leila, Maria, Igor, Ines, Enio, Ms, Ana, Ann, Kim, Mary, Alda, Anna, Clea, Bras, Braz, Lidia, Kaue, Roni, Lana, Jose, John, Joao, Jean, Tais, Nick, Neli, Neri, Paul, and Luiza