October 15 is the 288th day of the year (289th in leap years). 77 days remain in the year after this day.
- 1939 — Maria LaPine is born.
- 1961 — Manuel Octavio Bermúdez is born.
- 1961 — Steven Zelich is born.
- 1962 — Guy Georges is born.
- 1967 — Lesley Warren is born.
- 1970 — Leonarda Cianciulli died.
- 1977 — Michael Madison is born.
- 1983 — "Green River Killer"'s victim, Shelly Antosh is found.
- 1997 — John Rodney McRae is apprehended.
- 2001 — Lê Thanh Vân is apprehended.
- 2003 — Pierre Chanal died.
- 2021 — Masten Wanjala died.
- 2022 — Wesley Brownlee is apprehended.