| Period | Manager | Country | born |
| 15/05/2020 - 30/06/2025 | Daniel Ruttensteiner |
|
19/12/1989 |
| 01/07/2018 - 30/06/2019 | Thomas Engelmaier |
|
10/04/1970 |
| 05/04/2018 - 30/06/2018 | Reinhold Katzenschläger |
|
28/09/1965 |
| 01/07/2014 - 21/08/2015 | Norbert Niedermayr |
|
02/03/1960 |
![Union Dietach [Youth D]](https://s.hs-data.com/bilder/wappen/mini/32907.gif?fallback=png "Union Dietach [Youth D]"){kind=small}
![Union Dietach []](https://s.hs-data.com/bilder/wappen/mini/33434.gif?fallback=png "Union Dietach []"){kind=small}