Dupin

Dupin is a French surname. Notable people with the surname include:


 * André Marie Jean Jacques Dupin (1783–1865), French advocate
 * C. Auguste Dupin, a fictional detective
 * Charles Dupin (1784–1873), French Catholic mathematician
 * Jacques Dupin (1927–2012), French poet
 * Louis Ellies Dupin (1657–1719), French ecclesiastical historian
 * Amantine Lucile Aurore Dupin (1804–1876), more commonly known as George Sand, French writer