Sudden Death or Sudden death may refer to:
Medical
- Cardiac arrest, also known as sudden cardiac death, natural death from cardiac causes
- Sudden cardiac death of athletes
- Sudden infant death syndrome
- Sudden unexpected death in epilepsy
- Sudden arrhythmic death syndrome, a sudden unexpected death mainly during sleep
Sports
- Sudden death (sport), a form of competition where play ends as soon as one competitor is ahead of the others
- 1958 NFL Championship Game, nicknamed "Sudden Death" for its dramatic ending
Entertainment
- Sudden Death (1995 film), a 1995 American action film starring Jean-Claude Van Damme
- Sudden Death (1977 film), a 1977 action film
- "Sudden Death" (song), a 2010 song by Megadeth
- Sudden Death (band), an American comedy rap group
- Svdden Death, a Los Angeles-based riddim producer
- Sudden Death Records, a record label
- "Sudden Death," a season 1 episode of the television series Murder, She Wrote
- "Sudden Death," a song by Bathory on their 2001 album Destroyer of Worlds
- Sudden Death, the main antagonist of NFL Rush Zone seasons 1 and 3
Other
- Sudden Death Syndrome, a disease in soybean plants
- Blair's Sudden Death Sauce, a very hot sauce for food