| Flag | Date | Use | Description |
|---|
 | 1500–1698 | Flag of the Sultanate of Ndzuwani | A large red field. [8] |
| 1830–1833 |
 | 1576–1578 | Flag of The Kingdom of Portugal | A white field with the coat of arms in the center. |
 | 1578–1640 |
 | 1616–1640 | Flag of The Kingdom of Portugal (Putative) |
 | 1640–1650 | Flag of The Kingdom of Portugal |
 | 1698–1830 | Flag of The Omani Empire | A white Field with red Arabic script above and a red sword pointed to the right. |
 | 1830–1868 | Flag of the Mwali Sultanate | A simple red field. [9] |
 | 1833–1850 | Flag of the Sultanate of Ndzuwani | A red field with a white border. [10] |
 | 1841–1940 | Flag of the July Monarchy | A vertical tricolour of blue, white, and red (proportions 3:2). |
| Flag of the French Second Republic |
| Flag of the Second French Empire |
| Flag of the French Third Republic |
| 1944–1975 | Flag of the Provisional Government of the French Republic |
| Flag of the French Fourth Republic |
| Flag of the French Fifth Republic |
 | 1841–1848 | Royal Standard of Louis-Philippe I | A vertical tricolour of blue, white, and red centered with the royal arms of Louis-Philippe I. [11] |
 | 1842–1867 | Flag of Queen Djoumbé Fatima (also used as a Separatist flag) | A red field with a vertical yellow stripe on the hoist side. [12] [13] |
| 1997–1998 |
 | 1850 | Flag of the Sultanate of Ndzuwani | A vertical tricolour of red (hoist-side and fly-side) and white centered with an Arabic script written in black. [14] |
 | 1850–1893 | Flag of the Sultanate of Ndzuwani (also used as a Separatist Flag and later as an Official Flag) | A red Field centered with a white crescent moon and a hand. [15] |
| 1997–2012 |
 | 1868–1871 | Flag of the Mwali Sultanate | 8 horizontal stripes alternating red and white. [16] |
 | 1870 | Imperial standard of Napoléon III | A vertical tricolour of blue, white, and red centered with the red stripe larger than the other 2 stripes, several golden bees and centered with the royal arms of Napoléon III. [17] |
 | 1871–1886 | Flag of the Mwali Sultanate | A horizontal bicolour of white and red, similar to The Flag of Poland. [18] |
 | 1886–1891 | A red Field centerd with an Arabic script written in white. [19] |
 | 1891–1904 | 8 horizontal stripes alternating red and white and a vertical green stripe on the hoist side with a crescent moon and a 5 pointed star in the canton. [20] |
 | 1940–1942 | Flag of Vichy France | A vertical tricolour of blue, white, and red with the axe and 7 golden stars. [21] |
 | 1942–1943 | Flag of The United Kingdom | A superimposition of the flags of England and Scotland with the Saint Patrick's Saltire (representing Ireland). |
 | 1943–1944 | Flag of Free France | A vertical tricolour of blue, white, and red with the Lorraine cross [22] |
 | 1963–1975 | 1st Flag of The Comoros | A green field with a white crescent at upper hoist facing the fly, four stars in a diagonal. [23] |
 | 1975–1978 | 2nd Flag of The Comoros | A red field with a horizontal green stripe and a white crescent moon and 4 5-pointed stars in the canton. [24] |
 | 1978–1992 | 3rd Flag of The Comoros | A green field charged with a centered white crescent moon and four white stars. [25] [26] |
 | 1992–1996 | 4th Flag of The Comoros |
 | 1996–2001 | 5th Flag of The Comoros | A green field charged with a centered white crescent moon and four white stars and a white inscription to the lower hoist and another to the upper fly. The inscriptions are written in Arabic calligraphy with the former reading "Muhammed" and the latter reading "Allah". [27] |
 | 2002–2003 | Flag of Mohéli | A yellow field with a vertical black stripe on the hoist side and a crescent moon and a 5-pointed star in the center. [28] |
