| Jean-Paul Diamond | |
| Birth Date: | 9 April 1940 |
| Birth Place: | Charette, Quebec |
| Party: | Liberal |
| Office: | MNA for Maskinongé |
| Term Start: | 2008 |
| Term End: | 2014 |
| Successor: | Marc Plante |
| Spouse: | Roxanne McMurray |
Jean-Paul Diamond (born 9 April 1940) is a politician in the Canadian province of Quebec, who was elected to represent the riding of Maskinongé in the National Assembly of Quebec in the 2008 provincial election. He is a member of the Quebec Liberal Party.
Diamond was a prefect for 10 years for the Maskinongé Regional County Municipality in the Mauricie region and was also mayor and councillors for the municipality of Saint-Alexis-des-Monts. He was an administrative member of the Fédération québécoise des municipalités. He also worked for the Cabinet of former Agriculture Minister Yvon Picotte and as vice-president of a local construction and paving company from over 10 years.