A list of events in 2023 related to serial killers.
January[]
- 1 — Sushant Singh and Shiva Pariyar allegedly murder Radha Thapa.
- 10 — Donald Blom died.
- 14 — Miyuki Ueta died.
- 23 — Franklin Floyd died.
- 27 — Malcolm Robbins died.
- ? — Rotherie Durell Foster is apprehended.
- ? — Shiva Pariyar is apprehended.
- ? — Sushant Singh is apprehended.
February[]
- 1 — Duško J. is apprehended.
- 4 — Mikhail Neznamov is apprehended.
- 6 — Mario Berrios died.
- 7 — Tony Garcia is apprehended.
- 8 — Primo Bisi died.
- 8 — Lucho Plátano is apprehended.
- 11 — Terry Childs died.
- 15 — Billy Ray Richardson died.
- 17 — Diego Fernando Ramírez died.
- 23 — Norman Flowers is charged with the 2004 murder of a a 28-year-old woman in Nevada.
- 24 — Ramon Escobar allegedly murders his cellmate in prison.
- 27 — Alan Lee Phillips died.
March[]
- 5 — Pedro Rodrigues Filho died.
- 6 — Harvey Carignan died.
April[]
- 12 — Louis Gaskin died.
- 20 — Denis Zubov died.
- 25 — Sararat Rangsiwuthaporn is apprehended.
May[]
- 4 — Carlos Dominguez is apprehended.
- 14 — Efraín Sarmiento Cuero allegedly murders Merly Andrea Rengifo Cuadros.
- 15 — José Quevedo is apprehended.
- 18 — Lao Rongzhi died.
- 20 — Raul Meza allegedly murders Jesse Fraga.
- 23 — Shavkat Shayakhmedov died.
- 25 — Heather Pressdee is apprehended.
- 29 — Raul Meza is apprehended.
- ? — Michael Coleman is apprehended.
June[]
- 3 — Pankaj Sharma and Neha Kumari allegedly murder Ram Prasad. (suspected victim)
- 5 — Kathleen Folbigg is Pardoned.
- 6 — Waldo Grant died.
- 10 — Theodore Kaczynski died.
- 22 — Byagari Praveen is apprehended.
July[]
- 6 — Bryant Rivera is apprehended.
- 6 — Jesse Lee Calhoun is apprehended.
- 9 — Pankaj Sharma and Neha Kumari are apprehended.
- 13 — Rex Heuermann is apprehended.
- 19 — Oscar Sanchez Garcia is apprehended.
August[]
- 3 — James Phillip Barnes died.
- 21 — Stephen Farrow died.
- 21 — Lucy Letby is sentenced to life imprisonment with a whole life order.
- 30 — Ronaldo Ricketts is apprehended.
September[]
- 5 — Denis Kazungu is apprehended.
- 8 — Anthony Sully died.
- 19 — Billy Chemirmir died.
- 22 — John Getreu died.
- 27 — Juan Carlos Villa is apprehended.
October[]
- 11 — Doug Clark died.
- 25 — Rebecca Auborn is apprehended.
November[]
- 12 — Larry Ranes died.
- 30 — Jerrid Powell is apprehended for burglary.
December[]
- 2 — Jerrid Powell is apprehended for the "Los Angeles homeless shootings".
- 12 — Ramati Sathyanarayana is apprehended.
- 18 — Lao Rongzhi died.
- 19 — Claude Lastennet died.
- 28 — Garry Artman died.
Unknown[]
- ? — Kulthum Akbari is apprehended.
- ? — Necati Akpınar is apprehended.
- ? — "Asghar" is apprehended.
- ? — Per Fredrik Bamer is apprehended.
- ? — Andrei Barausov is sentenced to 21 years in prison.
- ? — Vladimir Belov is sentenced to 19 years in prison.
- ? — Chavdar Boyadjiev is apprehended.
- ? — Natan de Melo Furtado is apprehended.
- ? — "Kishtaiah" is apprehended.