This is a list of wars, armed conflicts and rebellions involving the Commonwealth of Australia (1901–present) and its predecessor colonies, the colonies of New South Wales (1788–1901), Van Diemen's Land (1825–1856), Tasmania (1856–1901), Victoria (1851–1901), Swan River (1829–1832), Western Australia (1832–1901), South Australia (1836–1901), and Queensland (1859–1901).
Notable militarised interstate disputes are included.
(1790–1800) part Australian frontier wars United Kingdom of Great Britain and Ireland (1801–1802) (1790–1802) part of Hawkesbury and Nepean Wars and Australian frontier wars United Kingdom of Great Britain and Ireland (1801–1802) Burraberongal Tribe (1795–1802) (1794–1816 ) part of Hawkesbury and Nepean Wars and Australian frontier wars United Kingdom of Great Britain and Ireland (1801–16) Burraberongal Tribe Irish-convict sympathisers (1799–1805) part of Hawkesbury and Nepean Wars and Australian frontier wars United Kingdom of Great Britain and Ireland (1801–1805) Burraberongal Tribe (1799–1802) Irish-convict sympathisers (1802–1810) part of Hawkesbury and Nepean Wars and Australian frontier wars (1814–1816) part of Hawkesbury and Nepean Wars and Australian frontier wars Irish-convict sympathisers [5][6][7][8][9] (1824) part of Australian frontier wars (1828–32) part of Australian frontier wars (1830–1850) part of Australian frontier wars Gunditjmara People Dja Dja Wurrung Taungurung Gunai Kurnai people (1834–1849 or 1860s) part of Australian frontier wars British colonists Border Police of New South Wales Native Police Gunditjmara People (1838–1841) part of Australian frontier wars (1840–1849) part of Australian frontier wars (1842–1852) part of Australian frontier wars part of Australian frontier wars Taribelang Aboriginal tribe United Tribes part of Australian frontier wars Nukunu people (1845–1846) Part of New Zealand Wars Forces of Tamati Waka Nene Māori Kupapa Part of New Zealand Wars British Settlers Te Āti Awa Māori Kupapa Ngāti Rangatahi Ngāti Hāuaterangi Part of New Zealand Wars Māori Kupapa Ngāti Patutokotoko Ngāti Ruaka Stockade rebels (1860–1861) Part of New Zealand Wars (1863–1864) Part of New Zealand Wars North Island allies (1863–1866) Part of New Zealand Wars Part of the New Zealand Wars British Settlers Māori Kupapa (1865–1866) Part of New Zealand Wars British Settlers Māori Kupapa Whakatohea Māori Urewera Māori Ngai Tama Māori (1868–1869) Part of New Zealand Wars Māori Kupapa Ngāruahine tribes (1868–1872) Part of New Zealand Wars Māori Kupapa Ngāti Porou Ngāti Kahungunu Ringatū adherents Pai Mārire adherents part of Australian frontier wars part of Australian frontier wars Ethiopia Italy[18] Congo Free State (1894–97) part of Australian frontier wars Part of the Boer Wars during the Scramble for Africa Part of the Caucasus campaign of World War I, the Southern Front of the Russian Civil War and the Turkish–Armenian War (1932) • Australian Royal Artillery failure to pacify Emus of Campion Part of the Second World War Air and naval support: Military support : Supported by: United Kingdom (2000–2002) Guinea ECOMOG Forces (1998–2000) Executive Outcomes (1995–1996) Supported by: United States Belarus[58]
West Side Boys (1998–2000) Liberia (1997–2002) Supported by: Libya Burkina Faso Part of the Afghanistan conflict, the Iran–Saudi Arabia proxy conflict, and the War on terror Russia[citation needed] Iran[citation needed] Uzbekistan[citation needed] India[67] Tajikistan[citation needed] Turkey[citation needed] Turkmenistan[citation needed] Kazakhstan[citation needed] Kyrgyzstan[citation needed] From September 2001: United States[citation needed] United Kingdom[citation needed] France[citation needed] Canada[citation needed] Australia[citation needed] Pakistan[68][69] Supported by: Saudi Arabia[69] United Arab Emirates Qatar Continued clashes until the US-led invasion of Afghanistan Northern Alliance Part of the Iraq War Part of the Iraqi conflict, spillover of the Syrian civil war, international military intervention against the Islamic State and the War on terror Part of the Syrian civil war, international military intervention against the Islamic State and the War on terror Supported by: Supported by: Part of the Second Libyan Civil War, War in Iraq (2013–2017), Syrian civil war and spillover of the Syrian civil war, Sinai insurgency, Boko Haram insurgency, insurgency in the North Caucasus, War on terror, and Moro conflict Part of the Moro conflict and the Military intervention against ISIL Part of the Iraqi conflict (2003–present) Pro-Government Tribes[99] Rojava (cross-border cooperation since May 2018) CJTF-OIR (until 2021): Supported by:
Supported by: Netherlands White Flags Part of the Iran–Saudi Arabia proxy conflict Popular Mobilization Forces[114][115] Sources: