| Period | Manager | Country | born |
| 01/07/2024 - 30/06/2025 | Djilalli Bekkar |
|
04/06/1981 |
| 01/07/2018 - 30/06/2024 | Guillaume Gonel |
|
05/09/1982 |
| 01/03/2017 - 30/06/2018 | Jean-Guy Wallemme |
|
10/08/1967 |
| 01/07/2015 - 30/06/2017 | David Giguel |
|
13/11/1970 |
| 01/07/2012 - 30/06/2013 | Sébastien Cuvier |
|
09/09/1970 |
| 01/07/2007 - 30/06/2012 | Jacky Colinet |
|
24/10/1954 |
| 01/07/1966 - 30/06/1968 | Paul Lévin |
|
12/10/1924 |
![FC Dieppe [Youth]](https://s.hs-data.com/bilder/wappen/mini/57260.gif?fallback=png "FC Dieppe [Youth]"){kind=small}
![FC Dieppe [Youth B]](https://s.hs-data.com/bilder/wappen/mini/57263.gif?fallback=png "FC Dieppe [Youth B]"){kind=small}
![FC Dieppe [Youth C]](https://s.hs-data.com/bilder/wappen/mini/57266.gif?fallback=png "FC Dieppe [Youth C]"){kind=small}