Family name Лях (Leh 
, Лях 
, Lyakh 
) , in the entire world, is a common last name. The family name Лях is characteristic of Belarus, where it is quite a common surname, Ukraine, and Malaysia. In absolute terms, it is commonest in Ukraine, Russia, and Malaysia. Very seldom, Лях is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leh | Egypt, Malaysia, Indonesia, Algeria, Myanmar |
| Лях | Kyrgyzstan, Russia, Belarus, Kazakhstan, Ukraine |
| Lyakh | Germany, France, Russia, Belarus, United States |
| Liakh | Czechia, Russia, Belarus, United States, Hungary |
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лях, борис митрофанович RU (b. 1918) |
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лях, иван васильевич Russian footballer, RU (b. 1960) |
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лях татьяна леонидовна researcher, UA (b. 1975) |
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| лях, николай локтионович UA (b. 1920) |
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вадим михайлович лях UA (b. 1973) |
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| лях, даниил пантелеевич RU (b. 1924) |
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| лявон лях BY (b. 1927) |
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| лях роман данилович UA (b. 1929) |
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лях, андрей иванович Russian footballer, RU (b. 1990) |
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лях, владислав геннадьевич Belarusian association football player, BY (b. 1999) |
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| лях віталій васильович UA (b. 1942) |
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лях, павел сергеевич BY (b. 1992) |
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| лях, игорь владимирович actor (1962-2018), RU (b. 1962) |
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| сергей романович лях UA (b. 1953) |
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| лях віктор олексійович UA (b. 1955) |
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Ян, Неля, Нина, Ніка, Ніна, Вера, Влад, Віта, Віра, Лена, Леся, Ліна, Ліза, Люба, Лєна, Женя, Жорж, Олег, Осип, Илья, Инна, Иван, Діна, Дима, Дина, Дар'Я, Аня, Айя, Зоя, Лев, Лія, Ира, Ева, Яна, Іна, Іра, Елек, Єва, Макс, Майя, Марк, Алла, Алсу, Анна, Адам, Глеб, Гліб, Петр, Катя, and Елла