The following is a list of flags used in Oman.
| Flag | Date | Use | Description |
|---|---|---|---|
| | 1995–Present | Flag of Oman | A horizontal tricolor of white, red and green; with a vertical red stripe at the hoist, charged with the National Emblem of Oman (Proportion of 4:7). [1] [2] [3] |
| Flag | Date | Use | Description |
|---|---|---|---|
| | 1749–Present | Royal Flag of Oman | A Red Field with a Green and a Red Border and the Royal Emblem of the sultan in the center. [4] |
| Flag | Date | Use | Description |
|---|---|---|---|
| | 1965–1968 | Flag of the Dhofar Liberation Front | A horizontal tricolour of red, white and black. [5] |
| | A horizontal tricolour of black, white and red. | ||
| | A horizontal tricolour of red, white and black with black Arabic text in the white stripe. | ||
| |
| Flag | Date | Use | Description |
|---|---|---|---|
| | 1970–Present | Flag of The Royal Navy of Oman | A Blue Field with the national flag in the canton and defaced with the royal navy's emblem. [6] |
| | 1907–Present | Flag of The Royal Army of Oman | A Red Field with the national flag in the canton and defaced with the royal army's emblem. |
| | 1959–Present | Flag of The Royal Air Force of Oman | A Light Blue Field with the national flag in the canton and defaced with the royal air force's emblem. [7] |
| Flag | Date | Use | Description |
|---|---|---|---|
| | 225–632 | Standard of the Sasanian Empire | |
| | 661–750 | Flag of The Umayyad Caliphate | A Simple White Field. |
| | 750–934 | Flag of The Abbasid Caliphate | A Simple Black Field. |
| | 1508–1521 | Flag of The Kingdom of Portugal | A White Field with The Portuguese Coat of Arms in the Center. |
| | 1521–1578 | ||
| | 1578–1640 | ||
| | 1616–1640 | Flag of The Kingdom of Portugal (Putative Flag) | |
| | 1640–1650 | Flag of The Kingdom of Portugal | |
| | 1696–1856 | Flag of the Sultanate of Muscat and Oman | A Simple Red Field. |
| | 1868–1871 | Flag of the Imamate of Muscat and Oman | A Simple White Field. [8] |
| | 1954–1959 | Flag of the Imamate of Oman | A White Field with red Arabic script and a red sword pointed to the right below. [9] |
| | 1970–1985 | Flag of Oman | A horizontal tricolor of white, red and green; with a vertical red stripe at the hoist, charged with the National Emblem of Oman, the red stripe is smaller than the other ones. [10] [11] |
| | 1985–1995 | A horizontal tricolor of white, red and green; with a vertical red stripe at the hoist, charged with the National Emblem of Oman (Proportion of 3:2). [12] |