| Jean Demannez | |
| Birth Date: | 15 February 1949 |
| Nationality: | Belgian |
| Party: | PS |
| Office: | Mayor of Saint-Josse-ten-Noode |
| Term Start: | 16 May 1999 |
| Term End: | 3 December 2012 |
| Predecessor: | Guy Cudell |
| Successor: | Emir Kir |
Jean Demannez (15 February 1949 – 1 December 2021) was a Belgian politician.[1] He served as mayor of Saint-Josse-ten-Noode in the Brussels-Capital Region from 1999 to 2012.[2]
A member of the Socialist Party (PS), Demannez was elected schepen of the communal council of Saint-Josse-ten-Noode in January 1977. Following the death of Guy Cudell, he became mayor. He also served in the Parliament of the Brussels-Capital Region from 1989 to 2001 and was President of the .[3]
In 2012, Demannez was defeated in the local election by Emir Kir and lost his seat as mayor of Saint-Josse-ten-Noode.[4]
Demannez was passionate about jazz. As mayor, he founded the festival and led the initiative for the foundation of Jazz Station, located in the old .[5]