Family name Ducle (Ducle 
) , worldwide, is a very rare cognomen. The surname Ducle is characteristic of Vietnam, where it is an extremely rare surname, Venezuela, and the United States. Measured by absolute frequency, the name is most common in Vietnam, India, and the United States. More frequently, Ducle is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ducle | Brazil, Democratic Republic of the Congo, United States, Vietnam, India |