Surname コウエ (Cauet 
, コウエ 
) , in the world, is quite a rare family name. The family name コウエ is characteristic of France, where it is quite a rare surname, New Zealand, where it is a very rare surname, and Greece. In absolute terms, it is the most numerous in France, Japan, and Germany. Much less frequently, コウエ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cauet | Greece, Germany, France, Spain, Brazil |
| コウエ | Japan |