Surname Theoderich (Theoderich 
) , globally, is an extremely rare cognomen. Predominantly, Theoderich is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Theoderich | Germany, United States |
Dietrich, Theodorich, Théodoric, and Дитрих
| von clotten theoderich DE (b. 1290) |
|