The following is a list of flags of Bulgaria .
| Flag | Date | Use | Description |
|---|---|---|---|
 | 1878–present | National flag and civil ensign | A horizontal tricolor of white, green and red. |
 | 1879–present | Wartime flag | A horizontal tricolor of red, green and white. |
 | ?–present | Digital flag | A horizontal tricolor of white, green and red. Version with colors meant for digital renderings. |
 | 1990–present | Hanging national flag | Vertical version of the tricolor. |
| Flag | Date | Use | Description |
|---|---|---|---|
 | 1937–1946 | Standard of the Tsar |
| Flag | Date | Use | Description |
|---|---|---|---|
 | 1971–1990 | War flag | A red flag with the Bulgarian coat of arms from the communist time with the motto: "For our socialist motherland". Contents |
 | 1991–present | A green and red flag with the middle part of the coat of arms. |
| Flag | Date | Use | Description |
|---|---|---|---|
 | 1991–2005 | Naval ensign | The old naval ensign from 1954–1990 but in place of the red star is the Bulgarian lion used in the old monarchical naval ensigns. |
 | 2005–present | The old naval ensign from 1991–2005 but the lion is smaller and placed in a red canton. | |
 | 1991–present | Naval Jack | A red cross and a green cross in a white background. |
 | Coast Guard ensign | A green field with the naval ensign from 1991–2005 in the canton. | |
 | Commander of the Navy | A red field with the naval ensign in the canton and three white 5-pointed stars in the top right, bottom left, and bottom right corners. | |
 | Deputy Commander of the Navy | A red field with the naval ensign in the canton and two white 5-pointed stars in the top and bottom right corners. | |
 | Commander of the Naval Base | A red field with the naval ensign in the canton and a white 5-pointed star in the bottom right corner. |
| Flag | Date | Use | Description |
|---|---|---|---|
 | 1949–1955 | Naval ensign | The old naval ensign flag but in bottom-left corner a red star in a white background and a modified lion. |
 | 1955–1990 | A mostly white flag with green and red stripes at the bottom and a big red star in the top-left corner. | |
 | 1949–1955 | Naval jack | A red square flag with a white outline of a star and the Bulgarian lion in the center. |
 | 1955–1963 | The old naval jack from 1949–1955 in 2:3 ratio and without the lion. | |
 | 1963–1990 | The old naval jack but in 1:2 ratio. | |
 | 1908–1944 | Minister of War | The Bulgarian flag with the lion on a red background in top-left corner and a green saltire on a white background in bottom-left corner. |
| Flag | Date | Use | Description |
|---|---|---|---|
 | 1879–1944 | Naval ensign | The Bulgarian flag with a lion on a red background in top-left corner. |
 | 1879–1949 | Naval Jack | A square flag with a red and green cross in a white background. |
| | 1878–1944 | Minister of War |
| Flag | Date | Use | Description |
|---|---|---|---|
 | Flag of the Bulgarian Heraldry and Vexillology Society |
| Flag | Date | Party | Description |
|---|---|---|---|
Current | |||
 | 2014–present | Bulgarian National Union – New Democracy | |
 | 2014–present | The Bulgarian Revival | The Bulgarian lion on a white background. |
 | 2006–present | Citizens for European Development of Bulgaria | |
 | 2005–present | Attack | |
 | 1991–present | IMRO – Bulgarian National Movement | |
 | 1991–present | IMRO – Bulgarian National Movement | Alternate flag with the coat of arms of the party |
 | 1999–present | Bulgarian National Union | National flag with Tamgha of the Dulo clan. |
 | Bulgarian Agrarian National Union | ||
Former | |||
 | 1944–1990 | Dimitrovist Pioneer Organization "Septemberists" | Red flag with the emblem of the organization in the middle |
 | 1944–1947 | Bulgarian Fatherland Front | |
 | 1936–1944 | Ratniks | |
 | 1932–1944 | Union of Bulgarian National Legions | |
 | 1932–1934 | Bulgarian National Socialist Workers Party | |
 | 1919–1990 | Bulgarian Communist Party | |
| Flag | Date | Party | Description |
|---|---|---|---|
 | ?–present | Flag of Bulgarian General Mufti |
| Flag | Date | Use | Description |
|---|---|---|---|
 | Flag of the Bulgarian Turks | ||
 | Flag of the Pomaks | Flag of former Republic of Tamrash | |
 | Flag of the Sarakatsani | Flag of the Sarakatsani |
| Flag | Date | Use | Description |
|---|---|---|---|
 | c. 1325 | Flag of the Second Bulgarian Empire | Flag according to Angelino Dalorto |
 | c. 1380 | Flag of the Second Bulgarian Empire | Flag according to Guillem Soler |
 | 14th century | Flag of the Tsardom of Vidin | |
| | 1878–1886 | Flag of the Republic of Tamrash | |
 | 1903 | Flag of the Strandzha Commune | |
| | 1879–1908 [1] | Flag of the Principality of Bulgaria | A horizontal tricolor of white-green-red |
| 1908–1946 | Flag of the Tsardom of Bulgaria | ||
| 1946–1947 | Flag of the People's Republic of Bulgaria | ||
 | 1947–1948 | Civil and state flag of the People's Republic of Bulgaria [2] | A horizontal tricolor of white-green-red with the Bulgarian emblem in the top-left corner |
 | 1948–1968 | ||
 | 1968–1971 | ||
 | 1971–1990 |
| Flag | Date | Use | Description |
|---|---|---|---|
 | 1862–1868 | The standard of the Bulgarian Legion | |
 | 1876 | Flag used in April Uprising | |
 | 1876 | Flag used in Razlovci uprising | |
 | 1877–1878 | The standard of the Bulgarian Volunteer Corps | |
 | 1877– | The standard of the Bulgarian Volunteer Corps | Samara Flag |
