Jean-Baptiste Veillet-Dufreche is a French politician born on (1838-11-16)November 16, 1838 in Moncontour (Côtes-d'Armor) and died on (1892-12-13)December 13, 1892 at Saint-Brieuc (Côtes-d'Armor).
Jean-Baptiste Veillet-Dufreche is the son of Jean-Baptiste Veillet-Dufreche (1802-1874), master of ironworks and mayor of Moncontour, and Victorine Allenou (sister of Jean-Marie Allenou).
His brother is Louis Monjaret de Kerjégu's son-in-law, and one of his sisters is Jean Garnier-Bodéléac's wife.
Conservative candidate, he was elected member of Parliament in February 1876, but his election was invalidated and he was defeated in April 1876.
Once again elected as a member of Parliament in October 1877, he was again invalidated and defeated in the ensuing by-election in 1878 He is mayor of Coëtlogon from 1884 to 1892.