Around the world, Sostaine (Sostaine 
) is a rare male first name. The forename Sostaine is habitual in Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare boy's name. Very seldom, Sostaine is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sostaine | Democratic Republic of the Congo, Hungary |