Flag | Date | Use | Description |
| 1858-1873 | Flag of The Kingdom of Samoa | A red field with a white crescent and a 5-pointed star.[7] |
| 1875-1886 1889-1900 | Flag of The Kingdom of Samoa | A red field with centred white cross and a 5-pointed star in the canton. |
| 1886-1887 | Flag of The Kingdom of Samoa | A red field with centred black cross and a white 5-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 5-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 the 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. |