Last name Gaethe (Gaethe 
) , all over the world, is a very rare family name. The last name Gaethe is habitual in the United States, where it is an extremely rare surname, and India. Much less frequently, Gaethe is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gaethe | India, Spain, Brazil, United States |