A list of events in 1948 related to serial killers.
January[]
- 13 — Susumu Nakayama is born.
- 15 — Miyuki Ishikawa is apprehended.
- 29 — Philip Joseph Hughes Jr. is born.
February[]
- 5 — Roy Norris is born.
- 13 — Allan Legere is born.
- 15 — Marius Andrieu died.
- 20 — Thomas Henry McMonigle died.
- 26 — Isabel Padilla Maiquez is born.
- 27 — John Errol Ferguson is born.
March[]
- 1 — Tommy Alexandersson is born.
- 1 — Akiyoshi Umekawa is born.
- 5 — Calvin Jackson is born.
- 9 — Alva Nordberg died.
- 10 — Doug Clark is born.
- 21 — Jerry Walter McFadden is born.
- 29 — Karl Myers is born.
April[]
- 10 — Madeleine Mouton died.
May[]
- 24 — Francisco García Escalero is born.
- 28 — Paul Eugene Rowles is born.
June[]
- 12 — James Koedatich is born.
- 27 — Rodney Halbower is born.
July[]
- 27 — Steven Washington is born.
August[]
- 5 — Alfred Leonard Cline died.
September[]
- 3 — Bruce Davis is born.
- 6 — Joël Matencio is born.
- 15 — Derek Percy is born.
- 28 — Thomas Bunday is born.
October[]
- 8 — Pedro López is born.
November[]
- 22 — Salvatore Perrone is born.
December[]
- 17 — Stephen McCoy is born.
- 18 — Ed Kemper is born.
Unknown[]
- ? — Sergey Akimov is born.
- ? — Victor Awwad is apprehended.
- ? — Giuseppe Belloli is born.
- ? — Ada Bilbrey is apprehended.
- ? — Wayne Boden is born. (c.)
- ? — Domenico Brambilla is apprehended.
- ? — David Burgess is born.
- ? — Gerhard Börner is born.
- ? — James Ray Cable is born.
- ? — Calogero Consales is born.
- ? — Ramón Daniel Domínguez is born.
- ? — Anthony Knoppa is born.
- ? — Harry Lanham is born.
- ? — Kari Leppänen is born.
- ? — Richard Macek is born.
- ? — Archibald Beattie McCafferty is born.
- ? — Harold Memro is born.
- ? — Stole Trifunović is apprehended.
- ? — Stole Trifunović died.
- ? — Adam Zakrzewski is born.