Family name Châtaigner (Châtaigner 
) , in all the world, is an extremely rare cognomen. The surname Châtaigner is habitual in Western Europe, particularly France, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Châtaigner | France |
Chastaigner, and Chataigner
| jean-marc châtaigner French diplomat, FR (b. 1964) |
|