Surname Тэнасе (Tanase 
, Tănase 
, Тэнасе 
) , in all the world, is a common family name. The family name Тэнасе is habitual in Romania, where it is a common surname, Moldova, where it is quite a common surname, and Reunion. In absolute terms, it is commonest in Romania, Moldova, and Italy. Very seldom, Тэнасе is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tanase | Moldova, Spain, Romania, Afghanistan, Italy |
| Tănase | Moldova, Romania, United States, Germany, Italy |
| Тэнасе | Russia, Kazakhstan |