This is a list of wars and humanitarian conflicts involving the Republic of Belarus and its predecessor states (Belarusian People's Republic and Byelorussian SSR). Notable militarised interstate disputes are included.
| Conflict | Belarus & allies | Belarus's opposition | Result | |
|---|---|---|---|---|
| World War I/Russian Civil War (1918) | Belarusian People's Republic | Bolsheviks | Belarusian People's Republic exiled | |
| Slutsk uprising (1920) | Nationalist forces loyal to the Belarusian People's Republic | Rebellion suppressed | ||
| Polish–Soviet War (1919–1921) | Polrewkom | Defeat:
|
| Conflict | Belarus & allies | Belarus's opposition | Result | |
|---|---|---|---|---|
| Polish-Belarusian ethnic conflict (1939—1954) | Belarusian collaborators | Polish people Home Army Cursed soldiers | Both sides claimed victory | |
| World War II (1941–1944) | Soviet Union | Victory:
| ||
| Soviet–Afghan War (1979–1989) | Afghan mujahideen |
|
| Conflict | Belarus & allies | Belarus's opposition | Result | |
|---|---|---|---|---|
| First Ivorian Civil War (2002—2007) | COJEP  Belarus (limited military support and mercenaries) | FNCI | Tentative peace agreement, followed by renewed conflict | |
| First Libyan Civil War (2011) | Libyan Jamahiriya :[1] [2] [3] [4] [5]
| Anti-Gaddafi forces  Qatar----Enforcing UNSC Resolution 1973:
| Defeat:
| |
| Belarusian involvement in the Russian invasion of Ukraine (2022–present) (part of the Russo-Ukrainian War, 2014–present) |  Russian Federation(provision of territory) |  Ukraine
| Ongoing:
|
Lists of wars and battles involving former states on what is now Belarus:
Tunisia