Family name Ponnou-Delaffon (Ponnou-Delaffon 
) , in all the world, is an extremely rare cognomen. The last name Ponnou-Delaffon is habitual in France, where it is a very rare surname, and the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Ponnou, and a last name Delaffon.
| VARIANT | COUNTRY |
|---|---|
| Ponnou-Delaffon | France, United States |
| bernard ponnou-delaffon FR (b. 1915) |
|
|
| andré-marie ponnou-delaffon (b. 1966) |
|
Théo, Oceane, Philippe, Christophe, and André-Marie