Symphony No. 21 may refer to:
- Symphony No. 21 (Brian) in E-flat by Havergal Brian, 1963
- Symphony No. 21 (Haydn) in A major (Hoboken I/21) by Joseph Haydn, c. 1764
- Symphony No. 21 (Michael Haydn) in D major (Perger 42, Sherman 21, MH 272) by Michael Haydn, 1778
- Symphony No. 21 (Mozart) in A major (K. 134) by Wolfgang Amadeus Mozart, 1772
- Symphony No. 21 (Ovsianiko-Kulikovsky) in G minor, a hoax by Mikhail Goldstein, c. 1949
- Symphony No. 21 (Weinberg) (Op. 152, Kaddish) by Mieczysław Weinberg, 1991
This disambiguation page lists articles associated with the title Symphony No. 21.
If an internal link led you here, you may wish to change the link to point directly to the intended article.
If an internal link led you here, you may wish to change the link to point directly to the intended article.