A list of events in 1965 related to serial killers.
January[]
- 4 — David Allen Rundle is born.
- 24 — Brenda O'Connor (victim) is born.
- 28 — Anthony Sears (victim) is born.
February[]
March[]
- 14 — Yevgeny Chuplinsky is born.
- 21 — Martina Authorlee (victim) is born.
- 28 — Hugo Bustamante Pérez is born.
April[]
- 1 — Marie Malvar (victim) is born.
- 9 — Iouri Mikhel is born.
- 20 — Richard Brad Ross is born.
- 20 — Abron Scott is born.
- 26 — Roberto Fernandes is born.
May[]
- 1 — Sergey Lozovoi is born.
- 2 — Eric Napoletano is born.
- 14 — Andrew Six is born.
- 25 — Ludvík Černý is born.
- 25 — Ursula Fritz is murdered by Ernst-Dieter Beck.
June[]
- 2 — Nannie Doss died.
- 14 — Rory Enrique Conde is born.
- 25 — Maury Travis is born.
July[]
- 9 — Anthony Balaam is born.
- 11 — Michael Wayne McGray is born.
- 31 — Darren Marchand is born.
- ? — Michael Penttilä is born.
August[]
- 6 — Anders Eklund is born.
- 10 — Gerald Patrick Lewis is born.
- 14 — Ronald Gray is born.
- 15 — Monte Merz died.
- 21 — Jaroslava Fabiánová is born.
September[]
- 14 — Vladimir Kuzmin is born.
- 26 — Joan Vila Dilmé is born.
October[]
- 2 — Tammy Corbett is born.
- 7 — Ian Brady is apprehended.
- 11 — Myra Hindley is apprehended.
November[]
- 4 — Henry Louis Wallace is born.
- 14 — Maxim Petrov is born.
- 18 — Alfredo Prieto is born.
December[]
- 1 — Gholamreza Khoshroo Kurdieh is born.
- 8 — Loren Herzog is born.
- 12 — Sokichi Furutani is apprehended.
Unknown[]
- ? — Necati Akpınar is born.
- ? — Andre Luiz Cassimiro is born.
- ? — Leonardo Cazzaniga is born.
- ? — Francisco das Chagas Rodrigues de Brito is born.
- ? — Victorino Chua is born (possibly).
- ? — Stephen Farrow is born.
- ? — Krzysztof Gawlik is born.
- ? — Thomas Hawkins is born.
- ? — Luis Fernando Iribarren is born.
- ? — Cirineu Carlos Letang is born.
- ? — Carlos Meneses Lambis is born.
- ? — Luis Aguilar Perez is born.
- ? — Abdullah Shah is born.
- ? — Igor Silkin is born.
- ? — Roberto Spinetti is born.
- ? — Clarence W. Walker is apprehended.