| Period | Manager | Country | born |
| 07/07/2024 - 30/06/2026 | Sébastien Pocognoli |
|
01/08/1987 |
| 03/07/2023 - 30/06/2024 | Alexander Blessin |
|
28/05/1973 |
| 01/07/2022 - 30/06/2023 | Karel Geraerts |
|
05/01/1982 |
| 24/05/2020 - 30/06/2022 | Felice Mazzù |
|
12/03/1966 |
| 01/07/2019 - 22/05/2020 | Thomas Christiansen |
|
11/03/1973 |
| 01/07/2018 - 30/06/2019 | Luka Elsner |
|
02/08/1982 |
| 01/07/2015 - 08/05/2018 | Marc Grosjean |
|
11/09/1958 |
| 01/07/2014 - 30/06/2015 | Drazen Brnčić |
|
17/07/1971 |
| 24/05/2012 - 30/11/2012 | Tom de Cock |
|
12/10/1973 |
| 01/07/2010 - 25/02/2012 | Dante Brogno |
|
02/05/1966 |
| 30/11/2006 - 30/06/2007 | Alex Czerniatynski |
|
28/07/1960 |
| 01/07/1997 - 30/06/1999 | Freddy Smets |
|
29/03/1957 |
| 01/07/1993 - 30/06/1995 | Daniel Renders |
|
04/07/1955 |
| 01/07/1975 - 30/06/1977 | Jean-Pierre Vande Velde |
|
10/01/1955 |
| 01/07/1973 - 30/06/1975 | Georges Heylens |
|
08/08/1941 |
| 01/07/1969 - 30/06/1973 | Guy Thys |
|
06/12/1922 |
| 01/07/1967 - 30/06/1968 | Félix Week |
|
06/01/1929 |
| 01/07/1964 - 30/06/1965 | François Vanden Eynde |
|
14/10/1911 |
| 01/07/1962 - 30/06/1964 | Edmond Delfour |
|
01/11/1907 |
| 01/07/1947 - 30/06/1959 | André Vandeweyer |
|
21/06/1909 |
| 01/07/1943 - 30/06/1948 | Paul Grumeau |
|
28/06/1881 |
| 01/07/1933 - 30/06/1935 | Charles Griffiths |
|
00/00/1882 |
| 01/07/1931 - 30/06/1932 | Géza Székány |
|
27/11/1886 |
| 01/07/1927 - 30/06/1928 | Géza Székány |
|
27/11/1886 |
| 01/07/1922 - 30/06/1923 | Charles Griffiths |
|
00/00/1882 |
![Union Saint-Gilloise [U18]](https://s.hs-data.com/bilder/wappen/mini/45788.gif?fallback=png "Union Saint-Gilloise [U18]"){kind=small}
![Union Saint-Gilloise [U16]](https://s.hs-data.com/bilder/wappen/mini/45791.gif?fallback=png "Union Saint-Gilloise [U16]"){kind=small}
![Union Saint-Gilloise [Youth]](https://s.hs-data.com/bilder/wappen/mini/45794.gif?fallback=png "Union Saint-Gilloise [Youth]"){kind=small}
![Union Saint-Gilloise [Youth B]](https://s.hs-data.com/bilder/wappen/mini/62702.gif?fallback=png "Union Saint-Gilloise [Youth B]"){kind=small}
![Union Saint-Gilloise [Youth C]](https://s.hs-data.com/bilder/wappen/mini/62705.gif?fallback=png "Union Saint-Gilloise [Youth C]"){kind=small}
