Surname Jahnn (Jahnn 
) , in the world, is a very rare last name. The surname Jahnn is characteristic of Brazil, where it is a very rare surname, Germany, where it is an extremely rare surname, and Argentina. Measured by absolute frequency, this name is the most popular in Brazil, India, and Germany. Much less frequently, Jahnn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jahnn | Philippines, Brazil, India, Germany, United States |
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hans henny jahnn German Expressionist playwright and writer, DE (b. 1894) |
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| ellinor jahnn DE (b. 1893) |
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| signe jahnn DE (b. 1929) |
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Mr, Albino, Amalia, Adilha, Carlos, Cleito, Gisele, Lenise, Lorena, Eliane, Elaine, Ernani, Helton, Vilmar, Fatima, Flavia, Irineu, Ofelia, Armando, Adolina, Catiane, Claudir, Alipio, Suzana, Milton, Marcia, Ms, Luan, Joao, Elsa, Vera, Maria, Mario, Steve, Clair, Claci, Clarice, Roque, Dione, Dulci, Lucia, Jaime, Julio, Tiago, Neldo, Elias, Erena, Hilde, Rubem, and Daniela