The following is a list of notable deaths that happened in 2023. Names under each date are noted in the order of the alphabet by last name or pseudonym. Deaths of living beings that are not humans are noted here also if it is worth noting.
Each listing of death must have a source. If no reference is included, the death notice will be removed. The following are the requirements of adding a name to the list in its order: name, age, where they came from, what the person is known for, cause of death (if known), and a source.