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Last name Toun (Toun
, Tonus
, Тун
) , around the globe, is quite a common cognomen. The family name Toun is habitual in Armenia, where it is quite a common surname, Laos, and Belgium, where it is quite a rare surname. Measured by absolute frequency, the name is most common in Laos, Armenia, and France. Likewise, Toun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Toun | Brazil, Laos, France, Nigeria, Thailand |
| Tonus | Belgium, Brazil, Turkey, Italy, France |
| Тун | Kazakhstan, Russia, Kyrgyzstan, Armenia, Ukraine |
| Dunon | Belgium, Brazil, France, United States, Argentina |