Alexandre Jean Albert Lavignac (21 January 1846 – 28 May 1916) was a French music scholar, known for his essays on theory, and a minor composer.
His condensed work, La Musique et les Musiciens, an overview of musical grammar and materials, continued to be reprinted years after his death. In it he characterised the particular characteristics of instruments and of each key, somewhat in the way
Berlioz and
Gevaert (Traité d'orchestration, Gand, 1863, p. 189) had done:
Lavignac edited the compendious Encyclopédie de la Musique.