- Oct 1 Olga Pozzi Escot, Peruvian-American composer and musicologist, born in Lima, Peru
- Oct 2 Dimiter Khristov, Bulgarian composer, born in Sofia, Bulgaria (d. 2017)
- Oct 2 Phill Niblock, American composer, born in Anderson, Indiana
- Oct 2 (Albert Ronald) "Ronnie" Ross, Scottish jazz and session baritone saxophonist, born in Calcutta, India (2 October 1933 (d. 1991)
- Oct 13 Adam Kaczyński, Polish pianist and composer, born in Warsaw, Poland (d. 2010)
- Oct 17 Jeanine Deckers, Belgian nun and singer-songwriter, The Singing Nun, born in Laeken (d. 1985)
- Oct 18 Jacques Charpentier, French organist and composer (72 études karnatiques), born in Paris (d. 2017)
- Oct 27 Floyd Cramer, American Country Music Hall of Fame pianist (Last Date; On the Rebound), born in Shreveport, Louisiana (d. 1997)
About October 1933
How Old? 87 years old
Generation: Silent Generation
Leap Year: No