This article is about music-related events in 1835.
- January 2 – The Neue Leipziger Zeitschrift für Musik, edited by Robert Schumann, changes its name to Neue Zeitschrift für Musik.
- January 24 – Postponed premiere Vincenzo Bellini's I Puritani in Théâtre-Italien Paris
- January 25 – Hector Berlioz becomes resident music critic for the Journal des Débats.
- May 4 – Samuel Sebastian Wesley, son of the composer Samuel Wesley, grandson of Charles Wesley, and organist of Hereford Cathedral, elopes with and marries Mary Anne Merewether, sister of the cathedral's dean.
- June 4 – Franz Liszt joins his mistress, Marie d'Agoult, in Basel, Switzerland.
- July 8 – Dan Emmett is discharged from the US Army and begins his career as a blackface banjoist and singer.
- October – Contralto Clorinda Corradi relocates to Havana, Cuba.
- November 9 – At a concert in Johann Sebastian Bach's home city of Leipzig, Felix Mendelssohn, Clara Wieck and Louis Rakeman perform Bach's Concerto in D minor for three keyboards and orchestra.
- November 28 – 25-year-old Robert Schumann and 16-year-old Clara Wieck begin their romance.
- December 14 – The St James's Theatre, London, opens with an "operatic burletta", Agnes Sorel.
- Soprano Fanny Corri-Paltoni makes her last known stage appearance, at Alessandria in Italy.
- Rossini completes Les soirées musicales which includes the patter song "La Danza".
- Music department added to the Prussian Academy of Arts in Berlin.
- January 14 – Felix Otto Dessoff, conductor and composer (d. 1892)
- January 23 – August Lanner, composer
- February 24 – John Henry Martin, band instrument manufacturer (d. 1910)
- March 15 – Eduard Strauss, composer
- March 24 – August Winding, composer (d. 1899)
- July 10 – Henryk Wieniawski, violinist and composer (d. 1880)
- August 20 – Oscar Stoumon, music critic and composer (d. 1900)
- October 7 – Felix Draeseke, composer (d. 1913)
- October 9 – Camille Saint-Saëns, composer (d. 1921)
- October 11 – Theodore Thomas, conductor (d. 1905)
- November 25 – Joseph Glæser, organist and composer (d. 1891)
- December 1 – Carl Johan Frydensberg, composer (d. 1904)
- date unknown – Abu Khalil Qabbani, Syrian dramatist and composer (d. 1902)