Flag | Date | Use | Description |
 | 1961–1975 | 2nd Flag of Cameroon | A vertical tricolour of green, red and yellow with two gold (darker than the third stripe by comparison) stars in the upper half of the green.[7] |
 | 1960–1961 | 1st Flag of Cameroon | A vertical tricolour of green, red and yellow.[8] |
 | 1916–1960 | Flag of The French Cameroon | A vertical tricolour of blue, white, and red (proportions 3:2). |
 | 1916–1961 | Flag of The United Kingdom | A superimposition of the flags of England and Scotland with the Saint Patrick's Saltire (representing Ireland). |
 | 1916–1961 | Flag of The British Cameroon | A blue ensign with the arms of Cameroon.[9] |
 | 1884–1916 | Flag of The German Empire | A tricolour, made of three equal horizontal bands coloured black (top), white, and red (bottom) |
 | 1884–1916 | Colonial Flag | A tricolour, made of three equal horizontal bands coloured black (top), white, and red (bottom) with the German Eagle in the center. |
 | 1914 | 1st Proposed Flag of German Kamerun | A tricolour, made of three equal horizontal bands coloured black (top), white, and red (bottom) with a white elephant on a gules field in the center.[10] |
 | 1914 | 2nd Proposed Flag of German Kamerun | A tricolour, made of three equal horizontal bands coloured black (top), white, and red (bottom) with a white elephant on a gules disc in the center. |
 | 1884–1914 | Flag of the German West Africa Company | [11] |
 | 1804–1884 | Flag of the Sokoto Caliphate | A simple green field. |
 | 1380–1884 | Flag of the Bornu Empire | A brown field with a white crescent moon in the center. |
 | 700–1380 | Flag of the Kanem Empire | A white pennon with a green palm tree in the center. |