What is "dupin"

Dupin may refer to:

• 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