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 | Australia, Canada, Nigeria, United States, Italy |
| Tonia | Canada, Nigeria, United States, Democratic Republic of the Congo, Italy |
| Tonja | Australia, United Kingdom, Canada, United States, Italy |
| Тоня | Moldova, Kazakhstan, Belarus, Russia, Ukraine |
Kapitolina, Кана, Капа, Капитолина, Капуша, Лина, Толя, טוניה, and تونيا