RAAF Overseas Headquarters was a Royal Australian Air Force (RAAF) administrative unit established in London during World War II.

Under Article XV of the Ottawa Agreement, signed in 1939, the Australian government agreed to form RAAF squadrons for service within British Royal Air Force (RAF) operational commands.

RAAF Overseas Headquarters was formed on 1 December 1941 to oversee the welfare of RAAF personnel posted to: Air minister John McEwen commissioned Richard Williams to establish the headquarters in August 1941, following concerns about the lack of Australian input into assignments of RAAF personnel.

[1] The headquarters replaced the Air Liaison Office, which had been run out of the High Commission of Australia, London.

[3] RAAF Overseas Headquarters was disbanded on 19 July 1959.