A list of events in 2021 related to serial killers.
January[]
- 8 — Farzad Nasser Jourshari died.
- 17 — Camille Cléroux died.
- 19 — Nathaniel Burkett died.
February[]
- 8 — Anthony Sowell died.
- 24 — Alan Phillips is apprehended.
- 28 — Roger Kibbe died.
March[]
April[]
- 11 — Debra Walker is attacked by the "Arkansas Serial Killer".
- 12 — Marlon Franklin is murdered by the "Arkansas Serial Killer".
May[]
- 7 — Hugo Osorio Chávez is apprehended.
- 10 — Michel Fourniret died.
- 15 — Andrés Mendoza is apprehended.
- 15 — Leslie Lizet Basilio is murdered by Keith Gibson.
- 16 — Ali Akbar Khorramdin and Iran Mousavi Sani are apprehended.
- 29 — José Tiago Soroka is apprehended.
- ? — Richard Bradley is apprehended.
June[]
- 5 — Christine Lugo is murdered by Keith Gibson.
- 5 — Rite Aid is attacked by Keith Gibson.
- 8 — Keith Gibson is apprehended.
- 28 — Lázaro Barbosa de Sousa died.
- 30 — Jessie Lee Cooks is died.
- 30 — Märt Ringmaa died.
July[]
- 14 — Masten Wanjala is apprehended.
- 24 — Rodney Alcala died.
- ? — Paul Apodaca is apprehended.
August[]
- 25 — Shavkat Shayakhmedov is apprehended.
- ? — Andrei Tregubenko is apprehended.
September[]
- 29 — François Vérove is died.
October[]
- 15 — Masten Wanjala died.
November[]
- 1 — Richard Brad Ross is apprehended.
- 5 — Perez Reed is apprehended.
- 21 — Ali Akbar Khorramdin died.
- 23 — Anthony Robinson is apprehended.
- 30 — Nikita Lytkin died.
December[]
- 4 — Jack Bokin died.
- 7 — Kwon Jae-chan is apprehended.
- 23 — Willy Maceo is apprehended.
- ? — Jason Thornburg is apprehended.
Unknown[]
- ? — Beni Nasser Bantsiélé is apprehended.
- ? — Andrei Barausov is sentenced to 18 years in prison.
- ? — Nikolay Bayusov is apprehended.
- ? — Lawrence Bierton is apprehended.
- ? — Joel Brewer is apprehended.
- ? — Simone Cassandra is released.
- ? — Richard Choque is apprehended.
- ? — Igor Dvornikov is apprehended.
- ? — Fabricio Eloy Ludeña is apprehended.
- ? — Mariusz G. is apprehended.
- ? — Sean Lannon is apprehended.
- ? — Constantin Moraru is apprehended.
- ? — Carlo Mosca is apprehended.
- ? — Mikhail Ponomarev is apprehended.
- ? — Ion Turnagiu is apprehended.
- ? — Alexander Volovchuk is apprehended.