| Conflict | Combatant 1 | Combatant 2 | Results | Casualties |
|---|
| Siamese–Cambodian War (1591–1594)
(1591–1594)
| Cambodia Kingdom | Ayutthaya Kingdom | Defeat | 90,000 Cambodians including Prince Soroypor were taken hostage to Ayutthaya |
| Cambodian–Spanish War
(1593–1597)
| Cambodia | {{flagicon image|Flag of the Tercios Morados Viejos.svg}} Spanish Empire- {{flagicon image|Flag of the Tercios Morados Viejos.svg}} Philippines
| Victory | ? |
Cambodian–Dutch War
(1643–1644) | Cambodia | Dutch East India Company | Cambodian victory | 1,000 dead |
Cambodian rebellion (1811–12)
(1811–1812) | {{flagicon image|Flag of Cambodia (pre-1863).svg}} Khmer Kingdom | {{flagicon image|Flag of Thailand (1782).svg}} Rattanakosin Kingdom (Siam)
{{flagicon image|}} Nguyễn dynasty | Siamese strategic victory Vietnamese tactical victory | ? |
First Indochina War
(1945–1954) | {{flagicon|North Vietnam|1945}} Viet Minh
{{flagicon|Laos}} Lao Issara (1945–1949)- {{flagicon|Laos}} Pathet Lao (1949–1954)
{{flagicon|Cambodia|1979}} Khmer Issarak- {{flagicon|Cambodia|1979}} United Issarak Front (1950–1954)
{{flagicon|Japan|1947}} Japanese volunteers | {{flagicon|French Fourth Republic}} France- {{flag|French Indochina}}
(1945–1954)
{{flagicon|Cambodia}} Kingdom of Cambodia
(1953–1954)
{{flag|Kingdom of Laos|name=Kingdom of Laos}}
(1953–1954)
{{flagicon|South Vietnam}} State of Vietnam (1949–1954)
Supported by:
{{flag|United States|1912}} (1950–1954) | Viet Minh victory | Viet Minh: Regulars: 125,000 Regional: 75,000 Popular Forces/Irregulars: 250,000[14] Former Imperial Japanese Army volunteers: ~5,000[15] Total: ~450,000 France: Expeditionary Corps: 190,000 Local Auxiliary: 55,000 State of Vietnam: 150,000[16] Total: ~450,000 |
| Vietnam War
(1959–1975)
| {{flagicon|Vietnam|size=22px}} North Vietnam
Viet Cong
Khmer Rouge
{{flagicon|Laos|size=22px}} Pathet Lao
{{flag|China|size=22px}}
{{flag|North Korea|size=22px}} | South Vietnam
United States
{{flag|South Korea|size=22px}}
{{flag|Australia|size=22px}}
{{flag|New Zealand|size=22px}}
{{flag|Thailand|size=22px}}
Kingdom of Laos
{{flagicon|Cambodia|1970|size=22px}} Khmer Republic | Victory of North Vietnam and allies | Cambodia: 200,000 GRUNK: 70,000 |
FULRO insurgency against Vietnam
(1964–1992) | Anti-communist forces:- {{flag|South Vietnam}} (1964–1975)
- {{flag|United States}} (1964–1970)
| Communist forces:- {{flag|North Vietnam}} (1964–1976)
- {{flagicon|Republic of South Vietnam}} Viet Cong (until 1975)
- {{flag|Vietnam}} (after 1976)
Supported by:
{{flag|Soviet Union}} | {{flagicon image|Flag of FULRO.svg}} United Front for the Liberation of Oppressed Races (FULRO)- {{flagicon image|Flag of BAJARAKA.svg}} Central Highlands Liberation Front
- {{flagicon image|Bandera Front Alliberament Cham.svg}} Front for the Liberation of Champa
- {{flagicon image|Flag of KKF.svg}} Liberation Front of Kampuchea Krom
Supported by:
{{flag|United States}} (1970–1975)
{{flag|China}}
{{flagdeco|Cambodia}} Kingdom of Cambodia (1953–70)
{{flagicon|Cambodia|1970}} Khmer Republic
{{flagdeco|Cambodia}} Royal Government of National Union of Kampuchea | FULRO insurgents voluntarily surrender to United Nations forces | ? |
Cambodian Civil War
(1968–1975) | {{flagdeco|Cambodia}} Kingdom of Cambodia (1967–1970)
{{flagdeco|Cambodia|1970}} Khmer Republic (1970–1975)
{{flag|United States}}
{{flag|South Vietnam}}Other Supports- {{flag|Australia}}
- {{flag|Canada}}
- {{flag|France}}
- {{flag|India}}
- {{flag|Thailand}}
- {{flag|Japan}}
- {{flag|Malaysia}}
- {{flag|Singapore}}
| {{flagdeco|Cambodia|1973}} Royal United National Government of Kampuchea
∟{{flagdeco|Cambodia|1973}} National United Front of Kampuchea
∟{{flagdeco|Cambodia|1975}} Khmer Rouge
∟{{flagdeco|Cambodia|1973}} Khmer Rumdo
{{flag|North Vietnam}}
{{flagdeco|Republic of South Vietnam}} Việt CộngOther Supports- {{flag|China}}
- {{flag|Czechoslovakia}}
- {{flag|Nicaragua}}
- {{flag|Soviet Union}}
| Khmer Rouge victory | 275,000–310,000 killed |
| Cambodian–Vietnamese War
(1978–1989)
| {{flagdeco|Cambodia|1975}} Democratic Kampuchea
Post invasion:
{{flagdeco|Cambodia|1975}} CGDK- {{flagdeco|Cambodia|1975}} Khmer Rouge
- {{flagdeco|Cambodia|1970}} KPNLF
- {{flagdeco|Cambodia}} FUNCINPEC
{{flag|Thailand|1917}} (border clashes)
Supported by:
{{flag|China}}
{{flag|Malaysia}}
{{flag|Singapore}}
{{flag|United States}} (alleged) | {{flag|Vietnam}}
{{flagdeco|Cambodia|1979}} FUNSK
Post invasion:
1979–1989:
{{flag|Vietnam}}
{{flagdeco|Cambodia|1979}} People's Republic of Kampuchea
1989–1991:
{{flagdeco|Cambodia|1989}} State of Cambodia
Supported by:
{{flag|Soviet Union}} | Defeat | 1979–1989: 15,000[5]–25,300[6] killed 30,000 wounded |
| Third Indochina War
(1975–1991)
| {{flag|China|1949}}
{{flagdeco|Cambodia|1975}} Democratic Kampuchea{{flagdeco|Laos|1952}} Lao royalists
Hmong insurgents
{{flagicon image|Flag of FULRO.svg}} FULRO
{{flag|Thailand}}
Supported by:
{{flag|United States}}
{{flag|North Korea}} | {{Flag|Vietnam}}
{{flagicon|Laos}} LPDR
{{flagicon|People's Republic of Kampuchea}} PRK
{{flagicon image|Flag of the Communist Party of Thailand.svg}} CPTSupported by:
{{flag|Soviet Union}} and Warsaw Pact countries (Until 1991) | * Removal of the Khmer Rouge from power- End of the Cambodian genocide
- Pro-Vietnamese government installed in Cambodia
- China withdraws from Vietnam after 27 days of fighting
- Communist Party of Thailand abandons armed struggle
- Vietnam withdraws from Cambodia in 1991
- 1990 Chengdu summit leads to the normalization of relations between China and Vietnam
- Restoration of the House of Norodom
- Ongoing insurgency in Laos
| |
| 1997 clashes in Cambodia
(5 July 1997–September 1997)
| CPP | FUNCINPEC | {{flagicon|Cambodia|1975}} Khmer Rouge | Co-premier Norodom Ranariddh is ousted by co-premier Hun Sen and exiled until 1998 | ? |
|
{{Asia topic|List of wars involving|title=Lists of wars involving Asian countries}}CambodiaCategory:Wars involving Cambodia