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 exiled | ||
| Slutsk uprising (1920) | Rebellion suppressed | ||
| Polish–Soviet War (1919–1921) | Inconclusive:
|
| Conflict | Belarus & allies | Belarus's opposition | Result |
|---|---|---|---|
| Polish-Belarusian ethnic conflict (1939—1954) | Polish people Home Army Cursed soldiers | Both sides claimed victory | |
| World War II (1941–1944) | | Victory:
| |
| Soviet–Afghan War (1979–1989) |
|
| Conflict | Belarus & allies | Belarus's opposition | Result |
|---|---|---|---|
| First Ivorian Civil War (2002—2007) | Tentative peace agreement, followed by renewed conflict | ||
| First Libyan Civil War (2011) |
| Enforcing UNSC Resolution 1973: Other countries | Defeat:
|
| Belarusian involvement in the Russian invasion of Ukraine (2022–present) (part of the Russo-Ukrainian War, 2014–present) | Ongoing:
|
Lists of wars and battles involving former states on what is now Belarus: