Last name Tach (Tache 
, Tach 
) , around the world, is a common family name. The last name Tach is characteristic of Romania, where it is quite a common surname, Cameroon, where it is quite a rare surname, and Switzerland. Measured by absolute frequency, this name is the most popular in Romania, Cameroon, and France. Much less frequently, Tach is the forename as well as the last name.
| johann georg von tach AT (b. 1650) |
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| etienne tach CH (b. 1893) |
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| enrico tach Italian biathlete, IT (b. 1974) |
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| laura tach American professor |
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| tach sharakat Pakistani activist and linguist, PK |
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