A list of events in 1966 related to serial killers.
January[]
- 1 — Viorel Chirilă is born.
- 26 — Terry Milligan (victim) is born.
February[]
- 1 — Sean King is born.
- 12 — Leszek Pękalski is born.
- 13 — Vickie Dawn Jackson is born.
- 24 — Wesley Shermantine is born.
- 25 — Robert Napper is born.
- 28 — Larry Motherwell died.
March[]
- 7 — Sandra Gabbert (victim) is born.
- 22 — Saïb Hachani died.
- 24 — Thomas Lundgren (victim) is born.
- 26 — Ervin Cherry is born.
April[]
- 9 — Emanuel Lovell Webb is born.
- 15 — Tony Lee Walker is born.
May[]
- 6 — Manfred Grassmann is murdered by Jürgen Bartsch.
- 8 — Jaroslav Stodola is born.
- 15 — Cletus Reese died.
June[]
- 8 — Cecil Jenkins is born.
- 23 — Lonnie Ree Trumbull is allegedly murdered by Ted Bundy (suspected victim).
July[]
- 1 — John Bittrolff is born.
- 8 — Larry Bright is born.
- 17 — Richard Speck is apprehended.
- 20 — Gribaldi Handayani is born.
August[]
- 6 — Marco Bergamo is born.
- 16 — Henry Eugene Hodges is born.
September[]
- 4 — John Bunting is born.
- 21 — Scott Kimball is born.
- 24 — José Vicente Matias is born.
October[]
- 5 — Beate Schmidt is born.
- 10 — David Mmbengwa is born.
- 21 — Kimi-Kai Pitsor (victim) is born.
- 22 — Jurijus Kadamovas is born.
November[]
- 1 — Sean Patrick Goble is born.
- 5 — Chester Turner is born.
- 11 — Stewart Wilken is born.
- 15 — Robert Lee Walden is born.
December[]
- 9 — Posteal Laskey is apprehended.
- 10 — Alfred Gaynor is apprehended.
- 14 — Jerome Dennis is born.
- 21 — Oleg Rylkov is born.
Unknown[]
- ? — Stanley Adams is born.
- ? — Nikolai Akimov is born.
- ? — Abdullah Aksoy died.
- ? — Lajos Balogh is born.
- ? — Jürgen Bartsch is apprehended.
- ? — Helfried Berger is born.
- ? — Alexander Brendyuchkov is born.
- ? — John Brooks is born.
- ? — Timothy Burkhart is born..
- ? — Juan Chavez is born.
- ? — Victorino Chua is born (possibly).
- ? — Igor Churasov is born.
- ? — Gregory Green is born.
- ? — Sabine Hilschenz is born.
- ? — Kim Yong-won is born.
- ? — Michael Monert is born.
- ? — Fedor Negrea is born.
- ? — Giordano Pasinelli is born.
- ? — Marcelo Pereira Guzzo is born.
- ? — Patrick Schaff is born.
- ? — Vladimir Tenetov is born.
- ? — Abdelhad Toumi is born.
- ? — Ronald James Ward is born.
- ? — Emanuel Webb is born.