Surname Cléach (Cléach 
) , in the world, is a very rare cognomen. The surname Cléach is characteristic of Western Europe, particularly France, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Cléach | France |
| marcel-pierre cléach French politician (1934-2019), FR (b. 1934) |
|
|
| jean-christophe cléach FR (b. 1967) |
|
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| julien cléach French official |
|