Jean-Paul Diamond was a Canadian politician in the province of Quebec, who was elected to represent the riding of Maskinongé in the National Assembly of Quebec in the 2008 provincial election. He was a member of the Quebec Liberal Party. Diamond was a prefect for ten 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.