This site is part of the Flag-Finder, it will help you to recognize a seen flag or banner, to find, to assign and to identify it by a semiotic filter out of 3.500 flags.

 

Union Jack on blue-coloured basis

United Kingdom
merchant flag for naval reserve officers
United Kingdom
customs ensign
Wales
Part of the United Kingdom of Great Britain and Northern Ireland
since 2017 · flag for governmental vessels,
Anguilla
possession of United Kingdom
1967–1990 · flag of the government (state flag),
since 1990 · national flag
Antigua
1957–1967 · flag of the government (state flag)
Bermuda Islands
possession of United Kingdom
1875–1910 · flag of the government (state flag)
Bermuda Islands
possession of United Kingdom
1910–1999 · flag of the government (state flag)
Bermuda Islands
possession of United Kingdom
since 1999  · flag of the government (state flag)
Flagge, Fahne, Kanada, Canada Canada
1870–1922 · flag of the government (state flag)
Flagge, Fahne, Kanada, Canada Canada
1922–1957 · flag of the government (state flag)
Flagge, Fahne, Kanada, Canada Canada
1957–1965 · flag of the government (state flag)
Northwest Territories (since 1870 territory of Canada)
1950–1956 · flag of the government (state flag)
Northwest Territories (since 1870 territory of Canada)
1956–1969 · flag of the government (state flag)
Yukon (Territory) (since 1895 territory of Canada)
1934–1956 · flag of the government (state flag)
Yukon (Territory) (since 1895 territory of Canada)
1956–1967 · flag of the government (state flag)
Newfoundland (1869-1949 possession of United Kingdom, since 1949 province of Canada)
1878–1904 · flag of the government (state flag)
Newfoundland (1869-1949 possession of United Kingdom, since 1949 province of Canada)
1904-1931 · flag of the government (state flag)
flag, British Columbia British Columbia (since 1871 province of Canada)
1866–1906 · flag of the government (state flag)
flag, British Columbia British Columbia (since 1871 province of Canada)
1906–1960 · flag of the government (state flag)
flag, Alberta Alberta (since 1905 province of Canada)
1907–1968 · flag of the government (state flag)
flag, Saskatchewan Saskatchewan (since 1905 province of Canada)
1906–1965 · flag of the government (state flag)
flag, Manitoba Manitoba (since 1870 province of Canada)
1870–1905 · flag of the government (state flag)
flag, Manitoba Manitoba (since 1870 province of Canada)
1905–1966 · flag of the government (state flag)
flag, New Brunswick New Brunswick (since 1784 province of Canada)
1868–1950 · flag of the government (state flag)
flag, New Brunswick New Brunswick (since 1784 province of Canada)
1950–1965 · flag of the government (state flag)
flag, Prince Edward Island Prince Edward Island (since 1873 province of Canada)
1905–1964 · flag of the government (state flag)
Québec (since 1867 province of Canada)
1868-1920 · flag of the government (state flag)
Québec (since 1867 province of Canada)
1920-1948 · flag of the government (state flag)
British Cameroon
1919–1961 · flag of the government (state flag)
Bahamas
1869–1904 · flag of the government (state flag)
Bahamas
1904–1923 · flag of the government (state flag)
Bahamas
1923–1953 · flag of the government (state flag)
Bahamas
1953–1964 · flag of the government (state flag)
Bahamas
1964–1973 · flag of the government (state flag)
Bahamas
1964–1973 · Ceremonial state flag, "Constitution Flag"
Australia
national flag and jack
Australia
since 2015 · flag of the Border Force
Australia
customs flag
New South Wales
Australian federal state
flag of the government (state flag)
New South Wales
Australian federal state
flag of the governor
Queensland
Australian federal state
flag of the government (state flag)
South Australia
Australian federal state
flag of the government (state flag)
South Australia
Australian federal state
flag of the governor
Tasmania
Australian federal state
flag of the government (state flag)
Tasmania
Australian federal state
flag of the governor
Victoria
Australian federal state
flag of the government (state flag)
West Australia
Australian federal state
flag of the government (state flag)
West Australia
Australian federal state
flag of the governor
British Antarctic Territory
possession of United Kingdom
government flag
Alderney
autonomous British crown-adminstrated territory
since 2007 · flag of the government (state flag)
Britisch Virgin Islands
possession of United Kingdom
1956–1960 · flag of the government (state flag)
Britisch Virgin Islands
possession of United Kingdom
1960–1999 · flag of the government (state flag)
Britisch Virgin Islands
possession of United Kingdom
national and state flag
Cayman Islands
possession of United Kingdom
1959–1999 · flag of the government (state flag)
Falkland Islands
possession of United Kingdom,
1948–1999 · flag of the government (state flag)
Cayman Islands
possession of United Kingdom,
since 1999 · flag of the government (state flag)
Cook Islands
possession of New Zealand
since 1979 · national flag
Cook Islands
possession of New Zealand
customs flag
Cook Islands
possession of New Zealand
to 2012 · customs flag
Cook Islands
possession of New Zealand
flag of the Representative of the British Crown
Belize (British Honduras)
1870–1919 · flag of the government (state flag)
Belize (British Honduras)
1919–1981 · flag of the government (state flag)
Dominica
1955–1965 · flag of the government (state flag)
Dominica
1965–1978 · flag of the government (state flag)
Falkland Islands
possession of United Kingdom,
since 1999 · flag of the government (state flag)
Fiji
since 1970 · flag of the government (state flag)
Fiji
1883–1908 · flag of the government (state flag)
Fiji
1908–1924 · flag of the government (state flag)
Fiji
1924–1970 · flag of the government (state flag)
Hong Kong
former British Colony
1871–1876 · flag of the government (state flag)

Gilbert Islands – (today: Kiribati)
1893–1916 · Flag of the British Resident Commissioner

Ellice Islands – (today: Tuvalu)
1892–1916 · Flag of the British Resident Commissioner

Gilbert- and Ellice Islands – (today: Kiribati & Tuvalu)
1916–1971 · Flag of the British Resident Commissioner

Solomon Islands
1902–1947 · Flag of the British Resident Commissioner

Falkland Islands
possession of United Kingdom,
1876–1925 · flag of the government (state flag)
Hong Kong
former British Colony
1876–1955 · flag of the government (state flag)
Hong Kong
former British Colony
1955–1959 · flag of the government (state flag)
Hong Kong
former British Colony
1959–1997 · flag of the government (state flag)
Ionian Islands
Greek region
1815–1863 · flag of the islands
Malta
1875–ca.1898 · flag of the government (state flag)
Malta
ca.1898–1923 · flag of the government (state flag)
Malta
1923–1943 · flag of the government (state flag)
Malta
1943–1964 · flag of the government (state flag)
Union of South Africa
1910–1928 · flag of the government (state flag)
Montserrat
possession of United Kingdom
since 1999 · flag of the government (state flag)
Falkland Islands
possession of United Kingdom,
1925–1948 · flag of the government (state flag)
Montserrat
possession of United Kingdom
1909–1999 · flag of the government (state flag)
Penang
former possession of United Kingdom
1946–1949 · flag of the government (state flag)
Malacca
former possession of United Kingdom
1946–1957 · flag of the government (state flag)
Straits Settlements (1867–1946)
possession of United Kingdom
1879–1925 · flag of the government (state flag)
New Zealand
1867–1869 · flag of the government (state flag)
New Zealand
1869–1899 · flag of the government (state flag)
New Zealand
1899–1902 · flag of the government (state flag)
New Zealand
since 1902 · national and state flag and jack
Britisch East Africa
1893–1921 · flag of the government (state flag)
Southern Rhodesia
1923–1953 · flag of the government (state flag)
St. Helena
possession of United Kingdom
since 2019 · flag of the government (state flag)
St. Helena
possession of United Kingdom
1984–2019 · flag of the government (state flag)
St. Helena
possession of United Kingdom
1939–1984 · flag of the government (state flag)
Tristan da Cunha
possession of United Kingdom
since 2002 · Flag of the government (state flag)
Ascension
possession of United Kingdom,
since 2013 · Flag of the government (state flag)
St. Vincent
1877–1907 · flag of the government (state flag)
St. Vincent
1907–1975 · flag of the government (state flag),
1975–1979 · national, state and merchant flag
Saint Christopher, Nevis and Anguilla
1958–1967 · flag of the government (state flag)
St. Lucia
1875–1939 · flag of the government (state flag)
St. Lucia
1939–1967 · flag of the government (state flag)
Turks and Caicos Islands
possession of United Kingdom
1875–1889 · flag of the government (state flag)
Turks and Caicos Islands
possession of United Kingdom
1889–1968 · flag of the government (state flag)
Turks and Caicos Islands
possession of United Kingdom
1968–1999 · national flag and flag of the government (state flag)
Turks and Caicos Islands
possession of United Kingdom
since 1999 · national flag and flag of the government (state flag)
Ellice Islands
1976–1978 · national and state flag
Gibraltar
possession of United Kingdom
gouvernment flag
Grenada
1875–1903 · flag of the government (state flag)
Grenada
1903–1967 · flag of the government (state flag)
Jersey
autonomous British crown-adminstrated territory
flag of the government (state flag)
Guernsey
crown-administrated British territory
flag of the government (state flag)
Straits Settlements (1867–1946)
possession of United Kingdom
1868–1877 · flag of the government (state flag)
Straits Settlements (1867–1946)
possession of United Kingdom
1925–1946 · flag of the government (state flag)
Pitcairn
possession of United Kingdom
flag of the government (state flag)
South Georgia and South Sandwich Islands
possession of United Kingdom
since 1999 · flag of the government (state flag)
South Georgia and South Sandwich Islands
possession of United Kingdom,
1992–1999 · flag of the government (state flag)

South Georgia and South Sandwich Islands
possession of United Kingdom
spread variants; origin and usage are not known
Gilbert- and Ellice Islands – (today: Kiribati & Tuvalu)
1937–1969 · flag of the government (state flag)
1969–1975 · flag of the government (state flag) and national flag

Gilbert Islands
1975–1979 · flag of the government (state flag) and national flag

Burma
1939–1941, 1945–1948 · flag of the government (state flag)
Barbados
1885–1966 · flag of the government (state flag)
British Guyana
1875–1906 · flag of the government (state flag)
British Guyana
1906–1919 · flag of the government (state flag)
British Guyana
1919–1954 · flag of the government (state flag)
British Guyana
1854–1966 · flag of the government (state flag)
Rhodesia and Nyasaland
(Federation of Northern Rhodesia, Southern Rhodesia and Nyasaland)
1953–1964 · flag of the government (state flag)
Northern Rhodesia
1939–1953 · flag of the government (state flag)
Basutoland
1951–1966 · unofficial national flag
Nyasaland
1914–1953 · flag of the government (state flag)
Uganda
1914–1962 · flag of the government (state flag)
Seychelles
1903–1961 · flag of the government (state flag)
Seychelles
1961–1976 · flag of the government (state flag)
Tobago
1877–1880 · flag of the government (state flag)
Tobago
1880–1889 · flag of the government (state flag)
Tobago
1889 · flag of the government (state flag)
Trinidad
1875–1889 · flag of the government (state flag)

Trinidad and Tobago
1889–1958 · flag of the government (state flag)

Trinidad and Tobago
1958–1962 · flag of the government (state flag)
Jamaica
1875–1906 · flag of the government (state flag)
Jamaica
1906–1957 · flag of the government (state flag)
Jamaica
1957–1962 · flag of the government (state flag)
Jamaica
1962 · flag of the government (state flag)
Aden Colony
1937–1963 · flag of the government (state flag)
Labuan
1912–1946 · flag of the government (state flag)
Leeward Islands
1871–1958 · flag of the government (state flag)
Windward Islands
1886–1958 · flag of the government (state flag)
doubtful
Singapore
1867–1942 · flag of the government (state flag)
doubtful
Singapore
1946–1959 · flag of the government (state flag)
British North Borneo
1892–1903 · flag of the government (state flag)
British North Borneo
1903–1942, 1945–1948 · flag of the government (state flag)
British North Borneo
1948–1963 · flag of the government (state flag)
Sarawak
1946–1963 · flag of the government (state flag)
Sarawak
1946–1963 · flag of the government (state flag)
variant with white disk
British India
1885–1947 · flag of the government (state flag)
1879–1928 · naval flag
1928–1947 · jack
British India
1884–1947 · Local Maritime Government Ensign, official flag at sea
British India
1879–1928 · jack
British East Africa
to 1963 · flag of the government (state flag)
Northern Ireland
part of the United Kingdom of United Kingdom and Northern Ireland
1929–1953 · flag for government vessels
Mauritius
1869–1906 · flag of the government (state flag)
Mauritius
1906–1923 · flag of the government (state flag)
Mauritius
1923–1968 · flag of the government (state flag)
Mandate Territory of New Guinea
1921–1949 · flag of the Adminstrator
British New Guinea (Papua)
1884–1906 · flag of the government (state flag)
British New Guinea (Papua)
1886–1906 · flag of the government (state flag)
possible variant
Nigeria
1914–1960 · flag of the government (state flag)
Northern Nigeria
1900–1914 · flag of the government (state flag)
Southern Nigeria
1900–1914 · flag of the government (state flag)
Niger Coast Protectorate
1893–1900 · flag of the government (state flag)
Oil Rivers Protectorate
1885–1893 · flag of the government (state flag)
Australian Papua Territory
1906–1949 · flag of the government (state flag)
Lagos Colony
1888–1906 · flag of the government (state flag)
British West Africa
1869–1888 · flag of the government (state flag)
Gambia
1888–1965 · flag of the government (state flag)
Ghana
to 1957 · flag of the government (state flag)
Sierra Leone
1889–1914 · flag of the government (state flag)
New Hebrides / Nouvelles-Hébrides
1906–1953 · flag of the British administration
New Hebrides / Nouvelles-Hébrides
1953–1980 · flag of the British administration
Solomon Islands
1906–1947 · flag of the government (state flag)
Solomon Islands
1947–1956 · flag of the government (state flag)
Solomon Islands
1956–1966 · flag of the government (state flag)
Solomon Islands
1966–1977 · flag of the government (state flag)
Sierra Leone
1914–1961 · flag of the government (state flag)
Ceylon
1875–1948 · flag of the government (state flag)
Natal
1870–1907 · flag of the government (state flag)
Natal
1907–1910 · flag of the government (state flag)
Orange River
1904–1910 · flag of the government (state flag, theoretical, probably never used)
Transvaal
1902–1910 · flag of the government (state flag, theoretical, probably never used)
Cape Colony
1875–1910 · flag of the government (state flag)
Tanganyika
1919–1961 · flag of the government (state flag)
British Somaliland
1903–1950 · flag of the government (state flag)
British Somaliland
1950–1960 · flag of the government (state flag)
British Central Africa
1893–1914 · flag of the government (state flag)
Weihaiwei
1898–1930 · flag of the government (state flag)
Palestina (under British mandate administration)
1927–1948 · flag of the government (state flag)
Cyprus
1891–1922 · flag of the government (state flag)
Cyprus
1922–1960 · flag of the government (state flag)

 

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