War in Afghanistan, Afghan war, or Afghan civil war may refer to:
- Conquest of Afghanistan by Alexander the Great (330 BC–327 BC), the conquest of Afghanistan by the Macedonian Empire
- Muslim conquests of Afghanistan, a series of campaigns in the 7th, 8th, 9th, and 10th centuries
- Mongol campaigns in Central Asia (1216–1222), the conquest of Afghanistan by the Mongol Empire
- Mughal conquests in Afghanistan (1526), the conquest by the Mughal Empire
- Afghan-Sikh Wars (1748–1837), intermittent wars between the Afghans and the Punjabis.
- Afghan Civil War (1863–1869), a civil war between Sher Ali Khan and Mohammad Afzal Khan's faction after the death of Dost Mohammad Khan
- Panjdeh incident (1885), an incursion into Afghanistan by the Russian Empire during the era of the "Great Game"
- Anglo−Afghan Wars, wars conducted by British India in Afghanistan 1839–1919)
- First Anglo−Afghan War (1839–1842)
- Second Anglo−Afghan War (1878–1880)
- Third Anglo−Afghan War (1919)
- Afghan Civil War (1928–1929), revolts by the Shinwari and the Saqqawists; the Saqqawists take over Kabul for a 9-month period
- Red Army intervention in Afghanistan (1929), an invasion by the Soviet Union against the Saqqawists in support of the royalists
- Afghanistan–Pakistan skirmishes (1947–present)
- Afghan conflict
- 1973 Afghan coup d'état
- 1975 Panjshir Valley uprising
- Afghan coup d'état (1976)
- Saur Revolution (1978)
- Soviet–Afghan War (1979–1989)
- Afghan Civil War (1989–1992)
- Afghan Civil War (1992–1996)
- Afghan Civil War (1996–2001)
- War in Afghanistan (2001–2021)
- Islamic State–Taliban conflict (2015–present)
- Republican insurgency in Afghanistan (2021–present)
- Afghanistan–Pakistan skirmishes (1947–present)