Jean-Hilaire Belloc (27 November 1786, Nantes - 9 December 1866, Paris) was a French painter.
Belloc was a student in the studio of Antoine Gros then of Jean-Baptiste Regnault. He won a medal at the 1810 Paris Salon for his Death of Gaul, friend of Ossian.
He was professor of drawing at the l'École-de-Médecine. He was made a Chevalier of the légion d'honneur in 1864. A bust of him was placed in the cimetière du Père Lachaise in November 2006.
On 2 June 1821 he married Louise Swanton, an accomplished writer and translator of English literature into French. Their son, Louis, would later marry Bessie Rayner Parkes, a prominent English feminist who remained a close personal friend of Swanton's long after the premature death of her husband. Louis Belloc and Parkes had two children who became writers: Marie Adelaide Belloc Lowndes and Hilaire Belloc.