Antoine Romagnesi, or Antoine-Joseph-Michel Romagnesi, (1 September 1781 – 9 January 1850) was a 19th-century French composer, music publisher and music theorician.Antoine Romagnesi was a pupil of Alexandre-Étienne Choron and Giuseppe Cambini.
A soldier then a clerk for the music publisher Auguste Le Duc in 1806, he became editor in 1828 and music dealer and moved 8 rue Richelieu in Paris.
He probably was a Freemason