Surname Тидеман (Tiedemann 
, Tideman , Тидеман 
) , throughout the world, is a common last name. The last name Тидеман is characteristic of Germany, where it is quite a common surname, Denmark, where it is quite a rare surname, and Malta. In absolute terms, it is commonest in Germany, the United States, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Tideman, Tiedemann | Australia, United Kingdom, United States, Denmark, Germany |
| Тидеман | Russia, Kazakhstan |
| Tydeman | Australia, United Kingdom, Canada, United States, Germany |