Cognomen Duples (Duples 
) , around the globe, is a very rare last name. The last name Duples is habitual in Latin America and the Caribbean, particularly Argentina, where it is a very rare surname, and Peru, where it is an extremely rare surname. Much less frequently, Duples is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Duples | Brazil, Peru, Argentina |