This article presents a complete catalog of original compositions by Ferruccio Busoni, including a large number of early works, most of which remain unpublished. The earliest preserved pieces were written when he was barely seven years old. Over 200 of the total of 303 original compositions were produced before the age of twenty.
For a more selective list of recorded works, see Ferruccio Busoni discography.
Busoni also produced a number of cadenzas, transcriptions, and editions. For a complete list see List of adaptations by Ferruccio Busoni.