This is a list of wars involving Liberia.
| Conflict | Combatant 1 | Combatant 2 | Result |
|---|
World War I
(1914–1918) | {{flagcountry|French Third Republic}}{{flagcountry|British Empire}}{{flagcountry|Russian Empire}}
{{small|(1914–17)}}{{flagcountry|Kingdom of Serbia}}{{flag|Belgium}}{{flagcountry|Kingdom of Montenegro}}{{flagcountry|Empire of Japan}}{{flagcountry|Kingdom of Italy}}
{{small|(1915–18)}}{{flag|United States|1912}}
{{small|(1917–18)}}{{flag|Liberia}} (1917–18){{flagcountry|Kingdom of Romania}}
{{small|(1916–18)}}{{flagcountry|First Portuguese Republic}}
{{small|(1916–18)}}{{flagicon image|Flag_of_Hejaz_1917.svg}} Hejaz
{{small|(1916–18)}}{{flagicon image|Flag of China (1912–1928).svg}} China
{{small|(1917–18)}}{{flagcountry|Kingdom of Greece}}
{{small|(1917–18)}}{{flagicon|Thailand}} Siam
{{small|(1917–18)}}{{small|...and others}} | {{flag|German Empire}}{{flag|Austria-Hungary}}{{flag|Ottoman Empire}}{{flagcountry|Kingdom of Bulgaria}}
{{small|(1915–18)}}{{small|...and co-belligerents}} | Victory |
| World War II (1939–45) | Allied Powers
{{flag|Soviet Union|1936}} {{small|(from June 1941)}}
{{flag|United States|1912}} {{small|(from December 1941)}}
{{flag|United Kingdom}}
{{flag|Republic of China (1912-1949)|name=China}}
{{flag|France}} {{small|(1939–40, 1944–45)}}
In exile for part of the war
{{flagicon|Poland|1928}} Poland
{{flagdeco|Norway}} Norway
{{flagdeco|Netherlands}} Netherlands
{{flagdeco|Belgium}} Belgium
{{flag|Free France}} {{small|(1940–44)}}
{{flagdeco|Luxembourg}} Luxembourg
{{flagdeco|Greece|old}} Greece
{{flagdeco|Czechoslovakia}} Czechoslovakia
Other important belligerents{{-}}{{flag|Canada|1921}}
{{flagcountry|British Raj}}
{{flag|Australia}}
{{flag|New Zealand}}
{{flagcountry|Union of South Africa}}
{{flag|Liberia}}
{{flagicon image|Yugoslav Partisans flag (1942-1945).svg}} Yugoslavia
{{flagcountry|Ethiopian Empire}}
{{flagdeco|Brazil|1889}} Brazil
{{flag|Mexico|1934}}
{{flag|Colombia}}
{{flagdeco|Republic of Cuba}} Cuba
{{flagdeco|Philippines|1936}} Philippines
{{flagdeco|Mongolia|1945}} Mongolia
Co-belligerents{{-}}{{flagcountry|Kingdom of Italy}} (1943-1945)
{{flagcountry|Kingdom of Romania}} (1944-1945)
{{flag|Finland}} (1944-1945)
{{flagicon image|Flag of the Bulgarian Homeland Front.svg}} Bulgaria (1944-1945)
| Axis Powers
{{flagicon|Nazi Germany}} Germany
{{flag|Kingdom of Italy|name=Italy}} {{small|(1940–43)}}
{{flag|Empire of Japan}}
Affiliate states{{-}}{{flag|Kingdom of Romania|name=Romania}} {{small|(1941–44)}}
{{flagicon|Hungary|1940}} Hungary {{small|(from 1941)}}
{{flag|Kingdom of Bulgaria|name=Bulgaria}} {{small|(1941–44)}}
{{flag|Thailand}} {{small|(1942–45)}}
Client States{{-}}{{flagcountry|Slovak Republic (1939-1945)}}
{{flagcountry|NDH}}
{{flag|Manchukuo}}
{{flag|Mengjiang}}
{{flag|Albania}}
Co-belligerents{{-}}{{flag|Finland}} {{small|(1941–44)}}{{-}}{{flagcountry|Kingdom of Iraq}} {{small|(1941)}}{{-}}{{Flag|Vichy France}} {{small|(1940–44)}}
Active neutrality{{-}}{{flag|Soviet Union|1936}} {{small|(1939–41)}}{{-}}{{flagcountry|Spanish State|1938}} {{small|(1941–44)}} | Victory |
| 1980 Liberian coup d'état (1980) | {{flag|Liberia}} | Armed Forces of Liberia faction | Coup attempt succeeds. |
| First Liberian Civil War (1989–1997) | {{flagicon|Liberia}} Liberian Armed Forces
{{flagicon|Liberia}} ULIMO
ECOWAS
{{flagicon|United Nations}} UNOMIL (September 22, 1993 - September 12, 1997) | NPFL
INPFL
Support:
{{Flagdeco|Libyan Arab Jamahiriya|1977}} Libya | NPFL Victory |
| Sierra Leone Civil War (1991–2002) | RUF
{{Flagicon|Sierra Leone}} AFRC
West Side Boys
{{flagicon|Liberia}} LiberiaSupported by:
{{Flag|Libya|1977}}
{{Flag|Burkina Faso}} | {{Flagicon|Sierra Leone}} Sierra Leone{{Flag|United Kingdom}}
ECOMOG Forces
Executive Outcomes
Supported by:
{{Flag|Guinea}}
{{Flag|United States}}
{{flagicon|United Nations}} UNAMSIL- {{Flag|Pakistan}}
(2001–2005)[1] - {{Flag|India}}
- {{Flag|Kenya}}
- {{Flag|Russia}}
(1999–2005)[2] - {{Flag|Ukraine}}
(1999–2005) - {{Flag|Nigeria}}
- {{Flag|Norway}}[3]
- {{Flag|New Zealand}}
- {{Flag|Ghana}}
- {{Flag|Jordan}}[4]
- {{Flag|Germany}}
| Defeat |
| 1998 Monrovia clashes (1998) | {{flagicon|Liberia}} Liberian government (Taylor loyalists) | {{flagicon|Liberia}} Johnson's forces (ex-ULIMO-J)
Limited involvement:
{{flag|Nigeria}}
{{flag|United States}} | Partial victory of Charles Taylor |
| Second Liberian Civil War (1999–2003) | {{flagicon|Liberia}} Liberian government- Armed Forces of Liberia
- ATU
- SOD
- SSS
- NPFL militias
{{flagicon image|Sl RUF.png}} RUF | Rebel groups:Supported by:
{{flagicon|Sierra Leone}} Sierra Leone
{{flagicon|Guinea}} Guinea
{{Flag|United Kingdom}}
{{Flag|United States}} | LURD/MODEL victory |
|
1. ^{{cite web|title=UN Peace Keeping Missions: Sierra Leone (2001 - To Dec 2005)|url=https://www.pakistanarmy.gov.pk/AWPReview/TextContent.aspx?pId=429|website=pakistanarmy.gov.pk|publisher=Pakistan Army|accessdate=13 September 2017}}
2. ^{{cite web|url=https://www.youtube.com/watch?v=xXfpxsR2Arc |title=YouTube |publisher=YouTube |date= |accessdate=2017-01-21}}
3. ^{{cite news|url=http://news.bbc.co.uk/2/hi/africa/759281.stm |title=AFRICA | Peacekeepers feared killed |publisher=BBC News |date=2000-05-23 |accessdate=2017-01-21}}
4. ^{{cite news|url=http://news.bbc.co.uk/2/hi/uk_news/91060.stm |title=UK | Britain's role in Sierra Leone |publisher=BBC News |date=2000-09-10 |accessdate=2017-01-21}}
{{Africa topic|List of wars involving|title=Lists of wars involving African countries}}