Surname Tien-Tien (Tien-Tien 
) , in all the world, is an extremely rare last name. Much more frequently, Tien-Tien is the forename as well as the last name. Parts of the name also exists independently as a first name Tien, and a first name Tien.
| VARIANT | COUNTRY |
|---|---|
| Tien-Tien | Taiwan, United States |