| Flag | Date | Use | Description | |
|---|---|---|---|---|
| 1145–present | National flag | A horizontal bicolour of red and white.[1] [2] | ||
| 1111–present | State flag | A white field with the coat of arms charged at the center.[3] [4] | ||
| 1945–present | Lozenge flag | A white field with red lozenges. |
| Flag | Date | Use | Description | |
|---|---|---|---|---|
| 1945–present | Princely Flag of Monaco | A white field with red lozenges. | ||
| 2005–present | A White Field with The Monogram of Albert II in the center.[5] | |||
| 1949–2005 | A White Field with The Monogram of Rainier III in the center.[6] |
| Flag | Date | Use | Description | |
|---|---|---|---|---|
| 987–1034 | A Simple Blue Field. | |||
| 1034–1215 | A black eagle on a yellow field. | |||
| 1339–1353 | A white field with centred red cross, similar to the Flag of England, but with five sestiere on the fly.[8] [9] | |||
| 1353–1419 | Nine alternating horizontal stripes of yellow and red. | |||
| 1419–1428 1688–1793 | Flag of Monaco | A white field with red lozenges.[10] | ||
| 1428–1447 1450–1498 | the Imperial Eagle of the Holy Roman Empire in the first and fourth quarters and the Snake of Milan in the second and third quarters. | |||
| 1447–1450 | A White Field With Red Centered cross and the emblem of the republic in the center. | |||
| 1498–1525 | A Blue Field With 3 Golden Fleur-de-lis. | |||
| 1525–1641 | A red saltire resembling two crossed, roughly-pruned (knotted) branches, on a white field. | |||
| 1641–1688 | Flag of the Kingdom of France | A White Field With several Fleur-de-Lis and the royal coat of arms in the center. | ||
| 1793–1814 | A vertical tricolour of blue, white, and red (proportions 3:2). | |||
| 1814–1881 | Flag of Monaco | A White Field with The Royal Arms in the center.[11] | ||
| 1815–1816 | Blue with the cross of savoy and 2 St George's Crosses in the 1st and 4th quarters (one of them with four heads of Moors) occupying one quarter of the field and placed in the canton.[12] [13] | |||
| 1816–1848 | Flag of the Kingdom of Sardinia | Blue with a combination of the crosses of savoy and St George occupying one quarter of the field and placed in the canton.[14] [15] | ||
| 1848–1861 | Flag of the Kingdom of Sardinia | An Italian tricolour with House of Savoy shield in the center. | ||
| 1881–1942 | Flag of Monaco | A horizontal bicolour of red and white. | ||
| 1942–1943 | An Italian tricolour with Savoy shield and Royal crown in the middle.[16] | |||
| 1943–1945 | A red field, with a white disc with a black swastika at a 45-degree angle. Disk and swastika are slightly off-centre.[17] [18] |