Family name Colognac (Colognac 
) , around the globe, is a very rare cognomen. The cognomen Colognac is habitual in Western Europe, particularly France, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Colognac | France |
| auguste colognac FR (b. 1835) |
|
|
| simon-pierre colognac French magistrate, FR |
|