|Symphony in B♭ major|
|by W. A. Mozart|
|Composed||1779, revised 1782 or 1785|
|Movements||Four (Allegro assai, Andante moderato, Menuetto, Finale: Allegro assai)|
The Symphony No. 33 in B♭ major, K. 319, was written by Wolfgang Amadeus Mozart, and dated on 9 July 1779.
The symphony has 4 movements, and is scored for strings, 2 oboes, 2 bassoons, and 2 horns, the smallest orchestral force employed in his last ten symphonies:
The autograph score is today preserved in the Biblioteka Jagiellońska, in Kraków.