Surname Ducoeur (Ducoeur 
) , across the world, is a rare last name. The family name Ducoeur is habitual in Belgium, where it is a rare surname, France, and the United States, where it is a very rare surname. Likewise, Ducoeur is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ducoeur | Belgium, France, Democratic Republic of the Congo, Canada, United States |
| maurice-françois ducoeur Roman Catholic bishop (b. 1878) |
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| guillaume ducoeur FR (b. 1972) |
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