Family name 津永 (津永 
, Tsunaga 
) , in the entire world, is a very rare cognomen. The last name 津永 is characteristic of China, where it is an extremely rare surname, and Brazil. More prevalently, 津永 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 津永 | China |
| Tsunaga | Brazil |