Symphony No. 25 may refer to: Symphony No. 25 (Brian), composed by Havergal Brian Symphony No. 25 (Haydn), composed by Joseph Haydn in 1763 or 1761 Symphony No. 25 (Michael Haydn), composed by Michael Haydn in 1783 Symphony No. 25 (Mozart), composed by Wolfgang Amadeus Mozart in 1773 Symphony No. 25 (Myaskovsky), composed by Nikolai Myaskovsky 025