List of unsolved deaths

This list of unsolved deaths includes well-known cases where:

• The cause of death could not be officially determined
• The person's identity could not be established after they were found dead
• The cause is known, but the manner of death (homicide, suicide, accident) could not be determined
• Different official investigations have come to different conclusions

Cases where there are unofficial alternative theories about deaths – the most common theory being that the death was a homicide – can be found under: Death conspiracy theories.