Surname Tulbu (Tulbu 
) , all around the world, is a rare cognomen. The surname Tulbu is habitual in Moldova, where it is quite a rare surname, Romania, where it is a rare surname, and Greece. Much less frequently, Tulbu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tulbu | Romania, Russia, Italy, Moldova, Greece |