Last name Татяна (Tatiana 
, Tatjana 
, Tatyana , among others...) , around the globe, is a common family name. The cognomen Татяна is habitual in North Macedonia, where it is a common surname, Georgia, and Moldova (explore the name in all countries). In absolute terms, it is commonest in Israel, Colombia, and Poland. More frequently, Татяна is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tatiana | Brazil, Moldova, Serbia, Colombia, United States |
| Tatjana | Brazil, Serbia, Colombia, United States, Germany |
| Tatyana | Brazil, Moldova, Colombia, United States, Germany |
| Tetyana | Brazil, Argentina, United States, Germany, Italy |
| Татяна | Bulgaria, Armenia, Kyrgyzstan, Russia, Ukraine |
Tacciana, Taciana, Tania, Tanja, Tanya, Tanía, Tat'Jana, Tatjána, Tatsiana, Tatsjana, Tatyjana, Taťjana, Taťána, Tetiana, Tetjana, Teťana, Tia, Tânia, Tétiana, Τάνια, Τατιάνα, Танечка, Танька, Танюха, Танюша, Танюшечка, Таня, Татьяна, Татьяна Татьяна, Татјана, Таццяна, Тацяна, Тања, Тетяна, Тиа, טטיאנה, טניה, تاتيانا, تانيا, تانیا, তানিয়া, タタナ, タチアナ, タニヤ, 塔尼亚, 塔尼娅, 汤贾, and 蒂亚