| Flag | Date | Use | Description |
|---|
 | 1845–1858 | Flag of the Tuʻi Tonga Empire in Samoa | A white field with two red crosses, two blue crosses and a blue "M" and a red "A" in the center |
 | 1858–1861 | Flag of the Kingdom of Samoa | A red field with a white crescent and a five-pointed star [7] |
 | 1872–1873 | Flag of the Kingdom of Samoa | A nine-striped field (four white stripes and five blue stripes) and two crescent moons with four five-pointed stars on the red canton |
 | 1873–1875 | Flag of the Kingdom of Samoa | A red field with a white five-pointed star on the blue canton |
 | 1875–1879 | Flag of the Kingdom of Samoa | A seven-striped field (three white stripes and four red stripes) and a five-pointed star on the blue canton, similar to the Flag of Liberia |
 | 1879–1886
1889–1900 | Flag of the Kingdom of Samoa | A red field with centred white cross and a five-pointed star in the canton |
 | 1886–1887 | Flag of the Kingdom of Samoa | A red field with centred black cross and a white five-pointed star in the canton |
 | 1887–1889 | Flag of the Kingdom of Samoa | A white field with centred black cross and a red field with a white five-pointed star in the canton |
 | 1900–1908 | Flag of the United States | Thirteen horizontal stripes alternating red and white; in the canton, 45 white stars of alternating numbers of six and five per horizontal row on a blue field |
 | 1900–1914 | Flag of the German Empire | A tricolour made of three equal horizontal bands coloured black (top), white, and red (bottom) |
 | 1900–1914 | Colonial flag of the German Empire | A tricolour made of three equal horizontal bands coloured black (top), white, and red (bottom) with the Reichsadler in the center |
 | 1908–1912 | Flag of the United States | Thirteen horizontal stripes alternating red and white; in the canton, 46 white stars of alternating numbers of six and five per horizontal row on a blue field |
 | 1912–1959 | Flag of the United States | Thirteen horizontal stripes alternating red and white; in the canton, 48 white stars of alternating numbers of six and five per horizontal row on a blue field |
 | 1914 | Proposed flag of German Samoa | A tricolour made of three equal horizontal bands coloured black (top), white, and red (bottom) with the emblem of Samoa in the center |
 | 1914–1962 | Flag of the United Kingdom | A superimposition of the flags of England and Scotland, with the Saint Patrick's Saltire (representing Ireland) |
 | 1914–1962 | Flag of New Zealand | A defaced Blue Ensign with four red stars with white borders to the right, representing the constellation of Crux, the Southern Cross [8] [9] |
 | 1920–1948 | Flag of the Western Samoa Trust Territory | A defaced Blue Ensign with the badge of Samoa |
 | 1948–1949 | Flag of the Western Samoa Trust Territory | A red field with the blue rectangle on the upper hoist-side quadrant bearing the Southern Cross of four white larger five-pointed stars [10] |
 | 1949–1962 | Flag of the Western Samoa Trust Territory | A red field with the blue rectangle on the upper hoist-side quadrant bearing the Southern Cross of four white larger five-pointed stars and a smaller star in the center |
 | 1959–1960 | Flag of the United States | Thirteen horizontal stripes alternating red and white; in the canton, 49 white stars of alternating numbers of six and five per horizontal row on a blue field |
