- Oct 2 Lene Nystrøm, Norwegian Eurodance-pop singer (Aqua), born in Tønsberg, Norway
- Oct 9 Terry Balsamo, American guitarist (Evanescence), born in Tampa, Florida
- Oct 9 Fabio Lione, Italian musician (Rhapsody), born in Pisa, Italy
- Oct 11 Mike Smith, American guitarist (Snot, Limp Bizkit), born in Middle River, Maryland
- Oct 11 Brendan B. Brown (BBB), American musician (Wheatus), born in Northport, New York
- Oct 13 Roger Lima [Manganelli], Brazilian ska singer and bassist (Less Than Jake), born in Porto Alegre
- Oct 15 Dax Riggs, American musician (Acid Bath), born in Evansville, Indiana
- Oct 19 Laurent Brancowitz [Mazzalai], French guitarist (Phoenix), born in Versailles, France
- Oct 21 Lera Auerbach, Russian-American pianist, composer, and poet, born in Chelyabinsk, Russia
- Oct 21 Charlie Lowell, American Musician
About October 1973
How Old? 47 years old
Generation: Generation X
Leap Year: No