Adèle de Ponthieu

Adèle de Ponthieu is the name of several operas set to the same libretto:
 * Adèle de Ponthieu (1772) by Jean-Benjamin de La Borde and Pierre Montan Berton
 * Adèle de Ponthieu (1773) by Joseph Starzer
 * Adèle de Ponthieu (1781) by Niccolò Piccinni
 * Adèle de Ponthieu (1887) by André Wormser