Family name Тоня (Tonya 
, Tonia 
, Tonja 
) , around the globe, is quite a common surname. The last name Тоня is characteristic of Georgia, where it is quite a rare surname, Moldova, and Israel. In absolute terms, it most frequently occurs in Nigeria, Japan, and Tanzania. Predominantly, Тоня is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tonya | Italy, Australia, Nigeria, United States, Canada |
| Tonia | Italy, Nigeria, United States, Canada, Democratic Republic of the Congo |
| Tonja | United Kingdom, Italy, Australia, United States, Canada |
| Тоня | Kazakhstan, Russia, Belarus, Moldova, Ukraine |
Kapitolina, Кана, Капа, Капитолина, Капуша, Лина, Толя, טוניה, and تونيا