Cognomen Csach (Csach 
) , across the world, is a very rare last name. The surname Csach is characteristic of Hungary, where it is a very rare surname, Canada, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Csach | Hungary, United States, Canada |
| csach gábor Hungarian art historian, politician, HU (b. 1969) |
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| kristián csach (b. 1980) |
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