Great Britain has introduced postal services throughout the world and has often made use of British definitives bearing local overprints. The following is a partial list of British postal services abroad. The list does not include agencies in South America, such as in Buenos Aires, Rio de Janeiro and Valparaiso. ^{[1] [2]}

• British post offices in Africa various issues
• Baghdad (British Occupation) 1917 only
• Bangkok (British Post Office) 1882–1885
• Batum (British Occupation) 1919–1920
• Beirut (British Post Office) 1906 only
• British post offices in the Turkish Empire 1885–1923
• British postal agencies in Eastern Arabia 1948–1966
• Bushire (British Occupation) 1915 only
• Cameroons (British Occupation) 1915 only
• China (British Post Offices) 1917–1930
• China (British Railway Administration) 1901 only
• Crete (British Post Offices) 1898–1899
• East Africa Forces 1943–1948
• British post in Egypt (Consular Offices) 1839–1882
• British post in Egypt (British Military Occupation) 1882–1914
• Egypt (British Forces) 1932–1943
• Eritrea (British Administration) 1950–1952
• Eritrea (British Military Administration) 1948–1950
• German East Africa (British Occupation) 1917 only
• Iraq (British Occupation) 1918–1923
• Japan (British Commonwealth Occupation) 1946–1949
• Japan (British Post Offices) 1859–1879
• Mafia Island (British Occupation) 1915–1916
• Malaya (British Military Administration) 1945–1948
• Middle East Forces (MEF) 1942–1947
• Morocco Agencies 1898–1957
• North Borneo (BMA) 1945 only
• Salonika (British Field Office) 1916 only
• Sarawak (BMA) 1945 only
• Somalia (British Administration) 1950 only
• Somalia (British Military Administration) 1948–1950
• Tangier 1927–1957
• Tripolitania (British Administration) 1950–1952
• Tripolitania (British Military Administration) 1948–1950
• Uzunada, formerly Chustan Island (British Occupation) 1916 only

• Postage stamps and postal history of Great Britain

• Proud, Edward B. The Postal History of the British Post Offices Abroad. Heathfield, E.Sussex: Proud-Bailey Co. Ltd., 1991 ISBN  9781872465098 551p.
• Rossiter, Stuart & Flower, John (1986). The Stamp Atlas. London: Macdonald. ISBN  0-356-10862-7.{{ cite book}}: CS1 maint: multiple names: authors list ( link)
• Stanley Gibbons Postage Stamp Catalogue – British Commonwealth. London: Stanley Gibbons Ltd, various editions.
• Wood, Hugh W. British Post Offices Abroad: Display given to the Royal Philatelic Society London, 30th April 2009. London: The Author, 2009 103p.

• AskPhil – Glossary of Stamp Collecting Terms
• Encyclopaedia of Postal Authorities