Surname Татъяна (Tatiana 
, Tat'Yana 
, Татъяна 
) , throughout the world, is a common last name. The last name Татъяна is characteristic of Georgia, where it is a common surname, Moldova, and Israel (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in Israel, Colombia, and Poland. More frequently, Татъяна is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tatiana | Brazil, Moldova, Colombia, United States, Democratic Republic of the Congo |
| Tat'Yana | Belarus, South Africa, United States, Russia, Ukraine |
| Татъяна | Russia, Kyrgyzstan |