Last name טרוסט (Trost 
, Troost 
, טרוסט 
) , in all the world, is a common surname. The surname טרוסט is characteristic of Slovenia, where it is quite a common surname, Netherlands, and Germany, where it is quite a rare surname. Not in comparison with a country's population, it most frequently occurs in Germany, the United States, and Netherlands. Very seldom, טרוסט is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Trost | Austria, Germany, United States, Netherlands, Slovenia |
| Troost | Austria, Germany, United States, Netherlands, Belgium |
| טרוסט | Israel |