This article includes only those serving police officers who were killed as a direct result of a crime or while attempting to respond, prevent, stop or solve a specific criminal act.
The list omits war-time deaths by enemy fire, such as the many police officers killed by air raids during the Second World War.
[1] The list also omits the more than 300 officers of the former Royal Ulster Constabulary (RUC) killed in paramilitary assassinations or attacks during The Troubles.
[2]