List of flags of Cambodia#Historical flags

! scope="col" | Duration

! scope="col" | Usage

! scope="col" style="width: 45%;" | 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.{{Cite web|title=National flag (1993 - Present)|url=https://www.fotw.info/flags/kh.html}}

! scope="col" | Duration

! scope="col" | Usage

! scope="col" style="width: 45%;" | 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.{{Cite web|title=Ceremonial flag|url=https://www.fotw.info/flags/kh.html#vertical}}

! scope="col" | Duration

! scope="col" | Usage

! scope="col" style="width: 45%;" | Description

| 1993–present

| Flag of the Parliament of Cambodia

| A blue field with the emblem of the Cambodian Parliament in gold.{{Cite web|title=Parliamentary flag|url=https://www.fotw.info/flags/kh_parl.html}}

| 1993–present

| Flag of the Customs of Cambodia

| A blue field with the emblem of the Customs of Cambodia.{{Cite web|title=Customs flag|url=https://www.fotw.info/flags/kh_cust.html}}

! scope="col" | Duration

! scope="col" | Usage

! scope="col" style="width: 45%;" | 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.{{Cite web|title=Royal Standards (1863 - 1970)|url=https://www.fotw.info/flags/kh-king.html#royals}}

| 1993–present

| Flag of the King of Cambodia

| A blue field with the emblem of the Royal arms of Cambodia in gold.{{Cite web|title=Royal Standards (1993 - Present)|url=https://www.fotw.info/flags/kh.html#rflag}}

! scope="col" | Duration

! scope="col" | Usage

! scope="col" style="width: 45%;" | Description

| –present

| Flag of the Royal Cambodian Armed Forces

| A red field with the Emblem of the Armed Forces.{{cite web |title=Sub-Decree on the Correction of Uniforms, Signs and Flags of the Royal Cambodian Armed Forces |url=https://mod.gov.kh/contents/uploads/2024/04/%E1%9E%A2%E1%9E%93%E1%9E%BB%E1%9E%80%E1%9F%92%E1%9E%9A%E1%9E%B9%E1%9E%8F%E1%9F%92%E1%9E%99%E1%9E%9F%E1%9F%92%E1%9E%8A%E1%9E%B8%E1%9E%96%E1%9E%B8-%E1%9E%80%E1%9E%B6%E1%9E%9A%E1%9E%80%E1%9F%82%E1%9E%9F%E1%9E%98%E1%9F%92%E1%9E%9A%E1%9E%BD%E1%9E%9B-%E1%9E%AF%E1%9E%80%E1%9E%9F%E1%9E%8E%E1%9F%92%E1%9E%8B%E1%9E%B6%E1%9E%93-%E1%9E%9F%E1%9F%92%E1%9E%9B%E1%9E%B6%E1%9E%80%E1%9E%9F%E1%9E%89%E1%9F%92%E1%9E%89%E1%9E%B6-%E1%9E%93%E1%9E%B7%E1%9E%84%E1%9E%91%E1%9E%84%E1%9F%8B%E1%9E%87%E1%9F%90%E1%9E%99-%E1%9E%93%E1%9F%83-%E1%9E%81.%E1%9E%97.%E1%9E%98.pdf |access-date=7 September 2024 |pages=17–26 |language=km |date=21 April 2024}}

| –present

| Flag of the Royal Cambodian Army

| A red field with the Emblem of the army.

| –present

| Flag of the Royal Cambodian Navy

| A blue field with the Emblem of the navy.

| –present

| Flag of the Royal Cambodian Air Force

| A dark blue field with the Emblem of the air force.

| –present

| Flag of the Royal Cambodian Gendarmerie

| A dark blue field with the Emblem of the gendarmerie.

! scope="col" | Duration

! scope="col" | Usage

! scope="col" style="width: 45%;" | 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.{{Cite web|title=Khmer Empire|url=https://www.fotw.info/flags/kh-king.html#pre1863}}

| 1863–1948

| 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.{{Cite web|title=French protectorate of Cambodia|url=https://www.fotw.info/flags/kh_hstry.html#french}}{{failed verification|The 1863–1940 flag, depiction of the Royal Palace in white, is not (? no longer) in the source; the source shows an Angkor Wat in 1863-1948 instead|date=January 2024}}

| 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.

| 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.{{Cite web|title=Japanese occupation|url=https://www.fotw.info/flags/kh-japan.html}}

| 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.{{Cite web|title=Khmer Republic|url=https://www.fotw.info/flags/kh_hstry.html#1970}}

| 1975–1979

| Flag of Democratic Kampuchea

| A red field with a simplified depiction of Angkor Wat in yellow.{{Cite web|title=Democratic Kampuchea|url=https://www.fotw.info/flags/kh_hstry.html#1975}}

| 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.{{Cite web|title=People's Republic of Kampuchea|url=https://www.fotw.info/flags/kh_hstry.html#1979}}

| 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.{{Cite web|title=State of Cambodia|url=https://www.fotw.info/flags/kh_hstry.html#1989}}

| 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.{{Cite web|title=UNTAC|url=https://www.fotw.info/flags/kh_hstry.html#un}}

| 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.{{Cite web|title=Second Kingdom of Cambodia|url=https://www.fotw.info/flags/kh_hstry.html#current}}

! scope="col" | Duration

! scope="col" | Usage

! scope="col" style="width: 45%;" | 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.{{Cite web|url=http://www.volker-doormann.org/the0.htm|title=Crescent Moon - Dates to Pre Mohamed Era|website=volker-doormann.org}}

| ?

| (Non-official) Flag of the Khmer Loeu ethnic group

| The flag representing the Khmer Loeu (Mountain Khmer) ethnic groups.{{Cite web|url=http://markodehaeck.free.fr/VN.htm|title=Mountain Khmer Tribes|website=markodehaeck.free.fr}}