Duponchel may refer to:

• Henri Duponchel (1794–1868, sometimes erroneously called Charles-Edmond Duponchel), French architect, stage designer, impresario
• Philogène Auguste Joseph Duponchel (1774–1846), French soldier and entomologist
  • Amphonyx duponchel (Duponchel's sphinx), a moth of the family Sphingidae, named after Philogène Auguste Joseph Duponchel
• Charles-Edmond Duponchel, French architect, accountant and son of Philogène-Auguste
• Auguste Duponchel, chief medical officer of l'Ecole polytechnique and son of Philogène Auguste

• Maternity Leave (Lost episode)
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