Surname Ростом (Ростом 
) , worldwide, is a rare last name. The last name Ростом is habitual in Armenia, where it is quite a common surname, and Ukraine, where it is an extremely rare surname. Also, Ростом is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ростом | Russia, Belarus, Kazakhstan, Ukraine, Armenia |