Last name Trouch (Trouch 
) , in the world, is a very rare cognomen. The cognomen Trouch is habitual in the United Kingdom, where it is an extremely rare surname, Canada, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Trouch | Brazil, Canada, United Kingdom, United States |
|
ariadna trouch Mykhaylo Drahomanov's daughter, Ivan Trush's wife, CH (b. 1877) |
|