François-Adrien Boieldieu (pronounced [fʁɑ̃.swa a.dʁi.(j)ɛ̃ bɔ.jɛl.djø], also [bwa(.ɛ)l.djø]) (16 December 1775 – 8 October 1834) was a French composer, mainly of operas, often called "the French Mozart". His date of birth was also cited as December 15 by his biographer and writer Lucien Augé de Lassus (b. 1841) and as September 15 by some local press releases.