This list describes the evolution of Cambodian flags, as well as other flags used within Cambodia and Governmental agencies.
| Flag | Duration | Usage | Description |
|---|---|---|---|
 | 1948–1970 1993–present | Flag of the Kingdom of Cambodia | Three horizontal bands of blue, red and blue and a depiction of Angkor Wat in white with black outlining. [1] |
| Flag | Duration | Usage | Description |
|---|---|---|---|
 | 1948–1970 1993–present | Ceremonial flag of Cambodia | Three vertical bands of blue, red and blue and a depiction of Angkor Wat in white with black outlining. [2] |
| Flag | Duration | Usage | Description |
|---|---|---|---|
| 1993–present | Flag of the Parliament of Cambodia | A blue field with the emblem of the Cambodian Parliament in gold. [3] | |
| 1993–present | Flag of the Customs of Cambodia | A blue field with the emblem of the Customs of Cambodia. [4] |
| Flag | Duration | Usage | Description |
|---|---|---|---|
 | 1863–1970 | Flag of the King of Cambodia | A blue field surrounded by a red band with elements of the Royal arms of Cambodia in gold. [5] |
 | 1993–present | Flag of the King of Cambodia | A blue field with the emblem of the Royal arms of Cambodia in gold. [6] |
| Flag | Duration | Usage | Description |
|---|---|---|---|
 | –present | Flag of the Royal Cambodian Armed Forces | A red field with the Emblem of the Armed Forces. [7] |
| | –present | Flag of the Royal Cambodian Army | A red field with the Emblem of the army. [7] |
 | –present | Flag of the Royal Cambodian Navy | A blue field with the Emblem of the navy. [7] |
 | –present | Flag of the Royal Cambodian Air Force | A dark blue field with the Emblem of the air force. [7] |
 | –present | Flag of the Royal Cambodian Gendarmerie | A dark blue field with the Emblem of the gendarmerie. [7] |
| Flag | Duration | Usage | Description |
|---|---|---|---|
 | ?–1863 | Alleged flag of Khmer Empire and Cambodia | A yellow pennant with green fringe. The claim that this flag existed is dubious and questioned. [8] |
 | 1863–1940 | Flag of the French Protectorate of Cambodia | A red field surrounded by a blue band with a depiction of the Royal Palace in white. |
| | 1940–1948 | Flag of the French Protectorate of Cambodia as well as Kingdom of Kampuchea (1945) | A red field surrounded by a blue band with a depiction of the Angkor Wat in white. [9] [ failed verification ] |
| | 1948–1970 1975–1976 | Flag of Cambodia during French Protectorate (1948–1953) and after its independence from France (1953–1970) as well as Kampuchea (1975–1976) | Three horizontal bands of blue, red and blue and a depiction of Angkor Wat in white. [9] |
 | 1941–1945 | Flag of Cambodia under Japanese occupation | Red flag with white-outlined square followed by 4 small full white squares in each angle and another in the center. The claim that this flag existed is dubious and questioned. [10] |
 | 1970–1975 | Flag of the Khmer Republic | A blue field with a red canton with a depiction of Angkor Wat in white with either black or red outlining and three stars in the upper fly. [11] |
 | 1975–1990 | Flag of Democratic Kampuchea and Coalition Government of Democratic Kampuchea | A red field with a simplified depiction of Angkor Wat in yellow. [12] Also used by the internationally recognized Coalition Government of Democratic Kampuchea. |
 | 1979–1989 | Flag of the People's Republic of Kampuchea | A red field with a simplified depiction of Angkor Wat in yellow, this time five towers instead of three. [13] |
 | 1989–1992 | Flag of the State of Cambodia | Two horizontal bands of red and blue with either the simplified depiction or a new five tower depiction of Angkor Wat in yellow. [14] |
 | 1992–1993 | Flag of United Nations Administered Cambodia | A United Nations blue field with a map of Cambodia in white and the Khmer word for Cambodia in blue. [15] |
| | 1990–present (de jure) 1993–present (de facto) | Flag of the National Government of Cambodia and the Kingdom of Cambodia | Three horizontal bands of blue, red and blue and a depiction of Angkor Wat in white with black outlining. [1] [16] |
| Flag | Duration | Usage | Description |
|---|---|---|---|
 | 1958 | Flag of the Chief of Naval Staff | A white field with a swallowtail cut on the fly side and the flag of Cambodia as the canton. [17] |
| Flag | Duration | Usage | Description |
|---|---|---|---|
 | ? | (Non-official) Flag of the Cambodian Chams ethnic group | Following the official flag of Cambodia with a triangle on the left and the "Star and Crescent" as a symbol of Islam. [18] |
 | ? | (Non-official) Flag of the Khmer Loeu ethnic group | The flag representing the Khmer Loeu (Mountain Khmer) ethnic groups. [19] |