| Flag | Duration | Use | Description |
|---|---|---|---|
 | 1912-present | Flag of El Salvador | A horizontal triband ofcobalt blue (top and bottom) and white with theNational Coat of Arms in the center and occupying the entire height of the white stripe with its top touching the upper blue strip and its base touching the lower blue stripe.[1][2] |
 | 1912-present | Flag of El Salvador | A horizontal triband of white within cobalt blue |
 | 1912-present | Flag of El Salvador | A horizontal triband of white within cobalt blue, the words "DIOS UNION LIBERTAD" in bolden golden amber centered and occupying almost the entire length of the white stripe |
| Flag | Subdivision | Adopted | Description | |
|---|---|---|---|---|
 |  | Ahuachapán | ||
 |  | Cabañas | ||
 |  | Chalatenango | ||
 |  | Cuscatlán | ||
.svg) |  | La Libertad | ||
 |  | La Paz | ||
 |  | La Unión | ||
 |  | Morazán | ||
 |  | San Miguel | ||
 |  | San Salvador | ||
 |  | San Vicente | ||
_flag.jpg) |  | Santa Ana | ||
 |  | Sonsonate | ||
 |  | Usulután | ||
| Flag | Duration | Use | Description |
|---|---|---|---|
 | Lenca | Used by theLenca people | |
 | Pipil | Used by thePipil people |
| Flag | Adopted | Relinquished |
|---|---|---|
 | 1525 | 1701 |
.svg) | 1701 | 1760 |
.svg) | 1760 | 1785 |
.svg) | 1785 | 15 September 1821 |
| ??? | 15 September 1821 | 20 February 1822 |
 | 20 February 1822 | 9 February 1823 |
 | 9 February 1823 | 1 July 1823 |
 | 1 July 1823 | 22 November 1824 |
 | 22 November 1824 | February 1841 |
| February 1841 | 1842 |
| 1842 | 1844 |
| 1844 | 9 May 1865 |
.svg) | 9 May 1865 | June 1865 |
.svg) | June 1865 | 1869 |
.svg) | 1869 | 1873 |
.svg) | 1873 | 1877 |
.svg) | 1877 | 2 November 1898 |
_reverse.svg) | 1877 (reverse) | 2 November 1898 (reverse) |
.svg) | 2 November 1898 | 30 November 1898 |
| 30 November 1898 | 17 May 1912 |
| 30 November 1898 (reverse) | 17 May 1912 (reverse) |
| 17 May 1912 | 1921 |
| 1921 | 1922 |
| 1922 | present |