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