Throughout the world, Thomas-Christian (Thomas-Christian 
) is a very rare male forename. The given name Thomas-Christian is habitual in Western Europe, particularly Germany, where it is a very rare boy's name. Much less frequently, Thomas-Christian is the last name as well as the forename. Parts of the name also exists independently as a first name Thomas, and a first name Christian.
| VARIANT | COUNTRY |
|---|---|
| Thomas-Christian | Germany, United States |