List of monarchs of the British Isles by cause of death

Monarchs of the British Isles are listed here, grouped by the type of death and then ordered by the date of death. The monarchical status of some people is disputed, but they have been included here for completeness.

Natural causes
Those monarchs that are assumed to have died through natural causes (through disease).

In battle
Those that died in battle either as the antagonist or otherwise.

Murdered, assassinated, executed or euthanised
Those that were murdered, assassinated, executed away from the battlefield, or euthanised by their doctors.