The list includes all the works that Sibelius is known to have completed. In addition it includes the works which he planned to revise but never did (see for example op. 6 Cassazione). Besides the official names of the works, the most frequently used English names are given The information on the first performance is only given of orchestral works and incidental music, since this information is not available of most of the minor works.

• Arrangements by Sibelius of his own works and the works of others
• Chamber music with piano
• Chamber music without piano
• Choral works (unaccompanied)
• Incidental music
• Orchestral works
• Organ works
• Other works
• Piano works
• Solo songs and duets
• Works for choir and orchestra (or for other instruments)
• Works for solo instrument - with and without piano
• Works for solo violin and orchestra
• Works for solo voice and orchestra
• Works for wind ensemble