Cognomen Татияна (Tatijana 
, Tatiiana 
, Tatiyana 
) , all around the world, is a rare surname. The last name Татияна is characteristic of North Macedonia, where it is quite a common surname, Colombia, where it is a rare surname, and Austria. In absolute terms, it is commonest in North Macedonia, Colombia, and Indonesia. More frequently, Татияна is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tatijana | Montenegro, North Macedonia, Serbia, Croatia, United States |
| Tatiiana | Portugal, Guatemala, El Salvador, Colombia, United States |
| Tatiyana | Germany, Indonesia, Russia, Australia, United States |
| Татияна | Kyrgyzstan, Kazakhstan, Russia |