Cognomen Ler (Ler 
, Leir 
, Leer 
) , in the entire world, is a common surname. The family name Ler is habitual in Aruba, where it is quite a common surname, Singapore, and Netherlands, where it is quite a rare surname. In absolute terms, it is commonest in Myanmar, Malaysia, and the United States. Also, Ler is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ler | Germany, Malaysia, Singapore, United States, Myanmar |
| Leir | Norway, Malaysia, United States, Myanmar, Brazil |
| Leer | Germany, Malaysia, United States, Myanmar, Netherlands |
| Лер | Kazakhstan, Armenia, Russia, Ukraine |
| bernhard päã ler (b. 1828) |
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ler lalonde American guitarist, US (b. 1968) |
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| geraldine j m ler researcher |
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| alicia tan qian ler researcher |
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| anthony ler Singaporean murderer |
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| brandon ler American politician from Montana, US (b. 1985) |
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| boris ler Croatian and Bosnian television, film and theater actor, BA (b. 1985) |
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| christoph ler |
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| eduard päã ler DE |
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