Georges Douay (7 January 1840 – 18 September 1919) was a French 19th–20th century composer and collector.

A trendy composer in the years 1860–1870, he was responsible for numerous songs and music of operettas.

At his death, he bequeathed the Bibliothèque de l'Arsenal a rich collection of over 50,000 artifacts on theater, which included printed materials, 700 engravings and 1500 manuscripts.

This collection was the origin of the theatrical direction of the establishment.

[1] He wrote more than 400 pieces on texts by Francis Tourte, William Busnach or Alexandre Flan, among others.