December 9 is the 343rd day (344th in leap years) of the year. There are 22 days remaining.
- 1944 — Harry Greenwell is born.
- 1947 — James Edward Wood is born.
- 1959 — John Martin Scripps is born.
- 1966 — Posteal Laskey is apprehended.
- 1985 — Gennady Mikhasevich is apprehended.
- 1986 — Nicholas Brent Gibson is born.
- 1987 — Stella Nickell is apprehended.
- 1988 — Sek Kim Wah died.
- 1992 — Robert Lee Walden is sentenced to Death.
- 2000 — Gregory McKnight is apprehended.
- 2003 — Carol Bundy died.
- 2004 — Abdufatto Zamanov is apprehended.
- 2007 — Curtis Anderson died.
- 2007 — Harold Meade died.
- 2011 — Roger Herbert Haglund died.