Family name Testera (Testera 
) , in all the world, is a rare surname. The surname Testera is characteristic of Italy, where it is a rare surname, Argentina, where it is a very rare surname, and Spain. Likewise, Testera is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Testera | Germany, Italy, Spain, Argentina, France |
| jacobo de testera French missionary, MX (b. 1470) |
|