Surname Letner (Letner 
) , around the globe, is a rare last name. The cognomen Letner is characteristic of Estonia, where it is quite a rare surname, the United States, where it is a rare surname, and Poland. Much less frequently, Letner is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Letner | Germany, Estonia, United States, Poland, Argentina |
| jaan letner Estonian politician, EE (b. 1887) |
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| danny letner American stock car racing driver (b. 1928) |
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| bernd letner DE (b. 1964) |
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