Surname Тийна (Tiina 
, Tijna 
, Тийна 
) , globally, is a rare last name. The surname Тийна is characteristic of Finland, where it is quite a rare surname, Uruguay, where it is a rare surname, and Estonia. In absolute terms, it is commonest in Finland, Algeria, and Austria. Predominantly, Тийна is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tiina | Estonia, United States, Sweden, India, Finland |
| Tijna | United Kingdom, India, United States |
| Тийна | Russia, Estonia |
| Tiyna | United States, Estonia, Russia |