Cognomen Rhetz (Rhetz 
) , all around the world, is an extremely rare last name. The surname Rhetz is habitual in Western Europe, particularly Germany, where it is an extremely rare surname. Much less frequently, Rhetz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rhetz | Germany, Philippines |
|
johann rhetz German jurist, DE (b. 1633) |
|
| august wilhelm von rhetz (b. 1796) |
|
|
| werner von rhetz (b. 1808) |
|