Jean-Baptiste Wicar (22 January 1762 – 27 February 1834) was a French Neoclassical painter and art collector.

The drawings Wicar created of Tableaux, statues, bas-reliefs et camées de la Galerie de Florence et du palais Pitti (Paintings, statues, bas-reliefs and cameos in the Gallery of Florence and the Pitti Palace) were published in Paris in 4 volumes at the Lacombe publishing house from 1789 to 1807.

[Wicar headed the commission set up to loot artworks from the Austrian Netherlands to enrich museums in France.

This commission was charged with seizing artworks that could enrich French national museum collections.

This legacy initially formed the public "musée Wicar", which in 1866, merged into the Palais des beaux-arts de Lille.