- Oct 2 Lene Nystrøm, Norwegian Eurodance-pop singer (Aqua - "Barbie Girl"), born in Tønsberg, Norway
- Oct 2 Proof [DeShaun Holton], American rapper (D12), born in Detroit, Michigan (d. 1973)
- Oct 3 Black Thought [Tariq Trotter], American rapper, hip-hop MC (The Roots), and actor, born in Philadelphia, Pennsylvania [some source give year as 1971, others as 1972]
- Oct 9 Fabio Lione, Italian musician (Rhapsody), born in Pisa, Italy
- Oct 9 Steve Burns, American actor, television host (Blue's Clues, 1996-2002), and musician, born in Boyertown, Pennsylvania
- Oct 9 Terry Balsamo, American guitarist (Evanescence), born in Tampa, Florida
- Oct 11 Brendan B. Brown (BBB), American musician (Wheatus), born in Northport, New York
- Oct 11 Mike Smith, American guitarist (Snot; Limp Bizkit), born in Middle River, Maryland
- 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 Charlie Lowell, American folk-rock keyboardist (Jars of Clay), born in Rochester, New York
- Oct 21 Lera Auerbach, Russian-American pianist, composer, and poet, born in Chelyabinsk, Russia
About October 1973
How Old? 50 years old
Generation: Generation X
Leap Year: No