Parabellum may refer to:
- Parabellum MG14, a 7.92mm-calibre World War I machine gun
- Pistol Parabellum or Luger P08 pistol
- 7.65×21mm Parabellum, a handgun cartridge
- 9×19mm Parabellum, a handgun cartridge
- Parabellum (band), a Colombian extreme metal band