The Ambassador of the United Kingdom to Cambodia is the United Kingdom's foremost diplomatic representative in the Kingdom of Cambodia, and head of the UK's diplomatic mission in Cambodia. The official title is His Britannic Majesty's Ambassador to the Kingdom of Cambodia.
No representation between 1950 and 1951, due to deteriorating conditions of Indo-China War
No representation between 1976 and 1991, due to Khmer Rouge government policy, then Vietnamese occupation