All over the world, Rostie (Rostie 
) is a rare predominantly feminine, but scarcely male first name. The forename Rostie is habitual in the Democratic Republic of the Congo, where it is a rare female name, and Philippines, where it is a very rare unisex name. Very seldom, Rostie is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Rostie | Canada, Philippines, United States, Democratic Republic of the Congo, Switzerland |