Cognomen D. Luffy (D. Luffy 
) , in all the world, is an extremely rare last name. The surname D. Luffy is habitual in Western Europe, particularly France, where it is an extremely rare surname. More prevalently, D. Luffy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| D. Luffy | Vietnam, France |