Olivier Maingain | |
|---|---|
.jpg) Maingain in 2018 | |
| Born | Olivier D. A. Gh. Maingain 3 August 1958 |
| Nationality | Belgian |
| Occupation(s) | politician (DéFI), lawyer |
Olivier D. A. Gh. Maingain (born 3 August 1958) is a Belgian francophone politician and former president of DéFI.