Family name Wallon-Leducq (Wallon-Leducq 
) , around the globe, is an extremely rare last name. The last name Wallon-Leducq is characteristic of Western Europe, particularly France, where it is a very rare surname. Parts of the name also exists independently as a last name Wallon, and a last name Leducq.
| VARIANT | COUNTRY |
|---|---|
| Wallon-Leducq | France |
| christian-marie wallon-leducq French political scientist (b. 1945) |
|
Aude, Sacha, Quentin, and Christian-Marie