Around the world, Didieu (Didieu 
) is a rare masculine given name. The forename Didieu is characteristic of Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare boy's name. Much less frequently, Didieu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Didieu | Democratic Republic of the Congo, Canada, United States, Brazil, Mexico |