# List of wars involving Thailand

This is a list of wars involving the Kingdom of Thailand, its predecessor states, and by Siamese people, from antiquity to the present day. It also includes wars fought outside Thailand by the Thai military.
    Thai victory
    Thai defeat
    Another result
    Ongoing conflict

## Sukhothai Kingdom

| Conflict | Combatant 1 | Combatant 2 | Results |
| Sukhothai-Champa War (1313) Location: Champa The Sukhothai Kingdom at its greatest extent during the late 13th century under the reign of King Ram Khamhaeng | Sukhothai Kingdom | Kingdom of Champa Trần dynasty | Champa defensive victory |

## Ayutthaya Kingdom

| Conflict | Combatant 1 | Combatant 2 | Results |
| Ayutthaya–Lan Na War (1441–1474) Location: Northern Ayutthaya, Southern Lan Na Places listed in the Thai epic Yuan Phai, chronicling the conflict during c. 1474/75 | Ayutthaya Kingdom | Kingdom of Lanna | Stalemate |
| Burmese–Siamese War (1547–1549) Location: Upper Tenessarim coast, western and central Siam Painting by Prince Narisara Nuvadtivongs, depicting Queen Suriyothai (center) on her elephant putting herself between King Maha Chakkraphat (right) and the Viceroy of Prome (left). | Ayutthaya Kingdom | Toungoo dynasty | Siamese defensive victory The Burmese command decided to withdraw Burma claims to regain Upper Tenasserim down to Tavoy (Dawei) |
| Burmese–Siamese War (1563–1564) Location: Ayutthaya, Phitsanulok, Sukhothai | Ayutthaya Kingdom | Toungoo dynasty Vassal Lan Na Vassal Sukhothai | Burmese victory Ayutthaya becomes a Burmese vassal state |
| Burmese–Siamese War (1568–1569) Location: Ayutthaya, Phitsanulok, Kamphaeng Phet and Lan Xang | Ayutthaya Kingdom Kingdom of Lan Xang | Toungoo dynasty Vassal Sukhothai | Burmese victory Ayutthaya remains a Burmese vassal state |
| Burmese–Siamese War (1584–1593) Location: Ayutthaya Kingdom and lower Tanintharyi Region Elephant duel between Naresuan and Mingyi Swa during the Battle of Nong Sarai as wall murals in Phra Ubosot, Wat Suwan Dararam, Ayutthaya, Thailand. | Ayutthaya Kingdom | Toungoo dynasty | Siamese victory Siam regains independence Siam regains the lower Tanintharyi Region as far as Dawei |
| Siamese–Cambodian War (1591–1594) Location: Cambodia | Ayutthaya Kingdom | Cambodia Kingdom | Siamese victory Siamese sack of Longvek |
| Burmese–Siamese War (1593–1600) Location: Southern and Central Myanmar King Naresuan entered Pegu, mural painting by Phraya Anusatchitrakon, Wat Suwandararam, Ayutthaya. | Ayutthaya Kingdom | Toungoo dynasty | Siamese victory Siamese controlled the entire Tenasserim coast Lan Na becomes Siamese vassal from 1602 to 1614 |
| Burmese–Siamese War (1609–1622) Location: Upper Tenasserim coast | Ayutthaya Kingdom | Toungoo dynasty | Burmese victory Burma regains upper Tenasserim coast to Tavoy Burma regains Lan Na |
| Spanish-Siam War (1624–1636) | Ayutthaya Kingdom Dutch East India Company | Iberian Union Crown of Castile Spanish East Indies Council of Portugal Macau Goa Malacca | Siamese victory Dutch hegemony on Southeast Asia 150 Spaniards killed |
| Burmese–Siamese War (1662–1664) Location: Northern Siam and Tenasserim coast | Ayutthaya Kingdom | Toungoo dynasty | Inconclusive Burma defends upper Burma Status quo ante bellum |
| Burmese–Siamese War (1675–1676) Location: Tenasserim coast | Ayutthaya Kingdom | Toungoo dynasty | Military stalemate Burma defends upper Tenasserim coast Siam defeats counter Burmese invasion |
| Anglo-Siamese War (1687–1688) Location: Mergui and Coromandel coast | Ayutthaya Kingdom | England East India Company | Inconclusive East India Company fails to blockade the port of Mergui The ports of Siam were closed to East India Company vessels until 1708 The East India had resumed trade using foreign-flagged vessels as early as 1705 |
| Siege of Bangkok (June 1688 - November 13, 1688) Location: Bangkok, Thailand Siege of the French fortress in Bangkok by the Siamese revolutionary forces of Phetracha in 1688. | Ayutthaya Kingdom Supported by: : Dutch East India Company | Kingdom of France French East India Company | Decisive Siamese victory French negotiated retreat |
| Burmese–Siamese War (1700–1701) Location: Ayutthaya Kingdom | Ayutthaya Kingdom | Toungoo dynasty | Siamese defensive victory Siam defeats Burmese invasion |
| Siamese–Vietnamese War (1717) Location: Cambodia | Ayutthaya Kingdom | Nguyễn lords | Siamese victory Siam gains suzerainty of Cambodia Vietnam annexes several border provinces of Cambodia |
| Burmese–Siamese War (1759–1760) Location: Tenasserim, Siam Siege of the French fortress in Bangkok by the Siamese revolutionary forces of Phetracha in 1688. | Ayutthaya Kingdom | Konbaung dynasty | Inconclusive Burma captures the Tennasserim coast down to Tavoy–Mergui frontier |
| Burmese–Siamese War (1765–1767) Location: Tenasserim coast, Gulf of Siam coast, Suphanburi, Ayutthaya | Ayutthaya Kingdom | Konbaung dynasty | Burmese victory End of Ayutthaya Kingdom |

## Thonburi Kingdom

| Conflict | Combatant 1 | Combatant 2 | Results | Notable battles |
| Thonburi reunification of Siam (1767–1771) Location: Siam | State of Thonburi (Thonburi Kingdom) | State of Phimai State of Phitsanulok State of Sawangburi State of Nakhon Si Thammarat Principality of Banteay Mas Konbaung dynasty (Burma) | Thonburi victory Thonburi reunification of Siam following the fall of the Ayutthaya Kingdom in 1767 | |
| Siamese–Vietnamese War (1771–1773) Location: Cambodia, Southern Vietnam Map of Indochina in 1760 | Thonburi Kingdom | Nguyễn Lords Cambodia Kingdom Hà Tiên polity | Siamese victory | |
| Burmese–Siamese War (1775–1776) Location: Northern and central Siam, Lan Na | Thonburi Kingdom | Konbaung dynasty | Siamese victory The Burmese loss of southern Lan Na later proved to be the end of their 200 years rule. Siam gains control of Chiang Mai, Lampang, Lamphun | Battle of Bangkaeo (1775) |
| Lao–Siamese War (1778–1779) Location: Khorat Plateau | Thonburi Kingdom Kingdom of Luang Phrabang Cambodia Kingdom | Kingdom of Vientiane Kingdom of Champasak | Siamese victory Lao kingdoms of Luang Phrabang, Vientiane and Champasak came under Siamese suzerainty. | |

## Rattanakosin Kingdom

| Conflict | Combatant 1 | Combatant 2 | Results | Notable battles |
| Siamese–Vietnamese War (1784–1785) Location: Rạch Gầm River and Xoài Mút River, Southern Vietnam | Rattanakosin Kingdom Cambodia Kingdom Nguyễn lords Hà Tiên Protectorate | Tây Sơn | Decisive Tây Sơn Victory | |
| Burmese–Siamese War (1785–1786) Location: Western Siam | Rattanakosin Kingdom | Konbaung dynasty | Siamese victory Siam gains control of Chiang Mai and Lanna | Tha Din Daeng Campaign (1786) |
| Tavoy campaign (1788) Location:Tenasserim Coast | Rattanakosin Kingdom | Konbaung dynasty | Burmese defensive victory | |
| Burmese–Siamese War (1792–1794) Location:Tenasserim Coast | Rattanakosin Kingdom | Konbaung dynasty | Burmese defensive victory | |
| Burmese–Siamese War (1797–1798) Location: Lanna Kingdom, Northern Thailand | Rattanakosin Kingdom Lanna Kingdom Kingdom of Vientiane | Konbaung dynasty | Siamese victory | |
| Burmese–Siamese War (1802–1805) Location: Lanna Kingdom, Northern Thailand | Rattanakosin Kingdom Lanna Kingdom Kingdom of Vientiane | Konbaung dynasty | Siamese victory Siam gains control of Chiang Saen | |
| Burmese–Siamese War (1809–1812) Location: Phuket | Rattanakosin Kingdom | Konbaung dynasty | Siamese victory Siam successfully defends Phuket from a Burmese invasion Tenasserim Coast is depopulated | |
| Cambodian rebellion (1811–1812) Location: Cambodia, Southern Vietnam | Cambodian pro-Siamese faction Rattanakosin Kingdom | Cambodian pro-Vietnamese faction Nguyễn dynasty | Cambodian pro-Vietnamese faction victory Vietnamese forces restore Ang Chan to the Cambodian throne | |
| Siamese invasion of Kedah (1821) Location: Kedah | Rattanakosin Kingdom | Kedah Sultanate | Siamese victory Exile of Ahmad Tajuddin Halim Shah II Imposition of direct Siamese rule on Kedah Start of the Kedahan resistance | |
| First Anglo-Burmese War (1824-1826) Location: Burma, East Bengal, Manipur The storming of one of the principal stockades, near Yangon (Rangoon), 8 July 1824 | British Empire East India Company Supported by: Rattanakosin Kingdom | Konbaung dynasty | Siamese-allied victory Treaty of Yandabo Beginning of British rule in Burma Burma cedes Manipur and Tenasserim to Britain | |
| Lao rebellion (1826–1828) Location: Central Laos | Rattanakosin Kingdom | Kingdom of Vientiane Kingdom of Champasak Military support: Nguyễn dynasty | Siamese victory | |
| Siamese–Vietnamese War (1831–1835) Location: Cambodia, Southern Vietnam | Rattanakosin Kingdom | Nguyễn dynasty | Vietnamese victory Cambodia becomes a vassal state of Vietnam | |
| Cambodian rebellion (1840) Location: Cambodia, Cochinchina | Khmer anti-Vietnamese rebels Support: Rattanakosin Kingdom | Nguyễn dynasty | Siamese-allied Victory Siamese intervention Cambodia independence from Vietnam Cambodia came under joint Siamese-Vietnamese suzerainty | |
| Siamese–Vietnamese War (1841–1845) Location: Cambodia, Southern Vietnam A map showing the movement of Vietnamese troops (from June to December 1845) in Vietnam-Siamese War (1841–1845). | Rattanakosin Kingdom Khmer anti-Vietnamese rebels | Nguyễn dynasty | Stalemate Cambodia came under joint Siamese-Vietnamese suzerainty | |
| Burmese–Siamese War (1849–1855) Location: Kengtung, Trans-Salween region | Rattanakosin Kingdom | Konbaung dynasty | Burmese defensive victory | |
| Haw wars (1865–1890) Location: Eastern Cambodia, A Siamese army during Haw wars in 1865 | Rattanakosin Kingdom Luang Phrabang | Haw Rebels (Red flag and Striped flag bands) | Siamese victory | |
| Franco-Siamese conflict (1893) Location: French Indochina, Siam French ships Inconstant and Comète under fire in the Paknam incident, 13 July 1893 | Kingdom of Siam | French Republic French Indochina | French victory; Land on east bank of the Mekong ceded to French Indochina | Paknam incident (1893) |
| Ngiao rebellion(1902) Location: Phrae | Rattanakosin Kingdom | Shan (Ngiao) rebels | Siamese victory | |
| World War I (1917-1918) Location: Europe (Decapitation Boonpeng 1919) (Clockwise from the top) The aftermath of shelling during the Battle of the Somme Mark V tanks cross the Hindenburg Line HMS Irresistible sinks after hitting a mine in the Dardanelles A British Vickers machine gun crew wears gas masks during the Battle of the Somme Albatros D.III fighters of Jagdstaffel 11 | Allied Powers:  France  British Empire  Russia (1914–17)  Serbia  Belgium  Montenegro  Japan  Italy (1915–18)  United States (1917–18)  Romania (1916–18)  Portugal (1916–18) Hejaz (1916–18)  Brazil (1917–18) China (1917–18)  Greece (1917–18) Siam (1917–18) ... and others | Central Powers:  German Empire  Austria-Hungary  Ottoman Empire  Bulgaria (1915–18) ... and co-belligerents | Siamese-allied victory Central Powers victory on the Eastern Front nullified by defeat on the Western Front Fall of all continental empires in Europe (including Germany, Russia, Turkey and Austria-Hungary) Russian Revolution and Russian Civil War – the collapse of the Russian Empire and the subsequent formation of the Soviet Union Widespread unrest and revolutions throughout Europe and Asia Creation of the League of Nations (more ...) | |

## After 1932 revolution

| Conflict | Combatant 1 | Combatant 2 | Results | Notable battles |
| Boworadet Rebellion (1933) Location: Central Thailand, Nakhon Ratchasima, Lak Si and Ratchaburi | Thailand People's Party | Rebel faction led by Prince Boworadet | People's Party Victory Suppression of the rebellion, consolidation of power by the People's Party | |
| Franco-Thai War (1940-1941) Location: French Indochina French Indochina | Thailand | Vichy France  French Indochina | Thai victory Japanese-mediated armistice Siem Reap, Phra Tabong, Sisophon ceded to Thailand | Battle of Ko Chang (1941) |
| Japanese invasion of Thailand (1941) Location:Thailand Map of the Japanese invasion of Thailand, December 8, 1941 | Thailand | Japan | Ceasefire Thai alliance with Japan Thailand declares war on the Allied Powers. | Battle of Prachuap Khiri Khan (1941) |
| World War II (1941-1945) Location: Southeast Asia (clockwise from top left) | Axis Powers:  Germany  Japan  Italy (1940-45)  Hungary (1941-45)  Romania (1941-45)  Bulgaria (1941-45)  Croatia (1941-45)  Slovak Republic  Finland Thailand (1941-45)  Manchukuo  Mengjiang | Allied Powers:  United States (1941-45)  United Kingdom  Soviet Union (1941-45)  China  France  Poland  Canada  Australia  New Zealand  India  South Africa  Yugoslavia (1941-45)  Greece (1940-45)  Denmark (1940-45)  Norway (1940-45)  Netherlands (1940-45)  Belgium (1940-45)  Luxembourg (1940-45)  Czechoslovakia  Brazil (1942-45)  Mexico (1942-45)  Philippines (1941-45)  Ethiopia Free Thai Movement | Allied victory Collapse of Nazi Germany Fall of the Japanese and Italian Empires Allied occupations of Germany and Japan and foundation of the Italian Republic Beginning of the Nuclear Age Dissolution of the League of Nations and creation of the United Nations Emergence of the United States and the Soviet Union as rival superpowers and beginning of the Cold War (more ...) | |
| Malayan Emergency (1948-1960) Location: Malay Peninsula, Southeast Asia ( Dusun Nyor Rebellion 1948 ) Australian Avro Lincoln bomber dropping 500lb bombs on communist rebels in the Malayan jungle (c. 1950) | Commonwealth forces: United Kingdom Federation of Malaya  Southern Rhodesia (until 1953)  Rhodesia and Nyasaland (after 1953) Fiji Australia New Zealand Supported by: Thailand (Thai–Malaysian border) | Communist forces: Malayan Communist Party Malayan National Liberation Army Supported by: China Viet Minh (until 1954) North Vietnam (from 1954) Soviet Union Indonesia | Thailand-allied victory Independence of Malaya on 31 August 1957 | |
| Korean War (1950-1953) Location: Korean Peninsula, Yellow Sea, Sea of Japan, Korea Strait, China–North Korea border Clockwise from top: A column of the U.S. 1st Marine Division's infantry and armor moves through Chinese lines during their breakout from the Chosin Reservoir • UN landing at Incheon harbor, starting point of the Battle of Incheon • Korean refugees in front of a U.S. M46 Patton tank • U.S. Marines, led by First Lieutenant Baldomero Lopez, landing at Incheon • F-86 Sabre fighter aircraft | South Korea United Nations  United States  United Kingdom  Canada  Turkey  Australia  Philippines  New Zealand Thailand  Ethiopia  Greece  France  Colombia  Belgium  South Africa  Netherlands  Luxembourg Medical support  Denmark  Italy  West Germany  India  Israel  Norway  Sweden Other support  Taiwan  Japan  Cuba  El Salvador Spain | North Korea  China  Soviet Union Medical support  Bulgaria  Czechoslovakia  East Germany  Hungary  Poland  Romania Other support  India{  Mongolia | Military stalemate North Korean invasion of South Korea repelled Subsequent U.S.-led United Nations invasion of North Korea repelled Subsequent Chinese invasion of South Korea repelled Korean Armistice Agreement signed in 1953 Korean conflict ongoing Korean Demilitarized Zone established North Korea gains city of Kaesong but loses a net total of 3,900 km$^2$ (1,500 sq mi) to South Korea. | |
| Vietnam War (1955-1975) Location: South Vietnam, North Vietnam, Cambodia, Laos, South China Sea, Gulf of Thailand Clockwise, from top left: U.S. combat operations in Ia Đrăng, ARVN Rangers defending Saigon during the 1968 Tết Offensive, two A-4C Skyhawks after the Gulf of Tonkin incident, ARVN recapture Quảng Trị during the 1972 Easter Offensive, civilians fleeing the 1972 Battle of Quảng Trị, and burial of 300 victims of the 1968 Huế Massacre. | South Vietnam United States  South Korea  Australia  New Zealand  Laos Cambodia (1967–1970) Khmer Republic (1970–75) Thailand  Philippines Supported by:  Taiwan Brazil  Malaysia | North Vietnam Viet Cong and PRG Pathet Lao GRUNK (1970–75) Khmer Rouge  China  Soviet Union  North Korea Supported by:  Czechoslovakia  Cuba  East Germany  Poland  Romania  Hungary  Bulgaria  Sweden | North Vietnamese and National Liberation Front victory Withdrawal of U.S. forces from Vietnam Communist forces take power in South Vietnam, Cambodia and Laos Reunification of Vietnam Start of the Cambodian–Vietnamese War Start of the boat people crisis and Indochina refugee crisis Reunification of North and South Vietnam into the Socialist Republic of Vietnam. | |
| Laotian Civil War (1959-1975) Location: Kingdom of Laos Laos | Kingdom of Laos Forces Armées Neutralistes (from 1962) United States South Vietnam Thailand Supported by: Philippines Taiwan  Australia  New Zealand | Pathet Lao Forces Armées Neutralistes (1960–1962) Patriotic Neutralists (from 1963) North Vietnam Supported by:  China  Soviet Union Romania | Pathet Lao and North Vietnamese victory Establishment of the Lao People's Democratic Republic Exile of the Kingdom of Laos. | |
| Communist insurgency in Thailand (1965–1983) Location: Thailand (primarily East Thailand) Ta Ko Bi Cave, a former hideout used by communist rebels. | Thailand Royal Thai Armed Forces Royal Thai Police Volunteer Defense Corps Supported by:  Taiwan (until July 1981) Kuomintang 49th Division  United States | Communist Party of Thailand Pathet Lao Supported By: Khmer Rouge (until 1982)  Vietnam  China (from 1979)  Soviet Union | Thai government victory Amnesty declared on 23 April 1980 by the Thai government Order 66/2523 signed by Prime Minister Prem Tinsulanonda Communist insurgency declines and ends in 1984 | |
| Cambodian Civil War (1968-1975) Location: Cambodia US tanks entering a town in Cambodia in 1970. | Cambodia (1967–1970) Khmer Republic (1970–1975) United States South Vietnam Other support:  Australia  Canada  France  Malaysia  Singapore Thailand | GRUNK (1970–1975) FUNK Khmer Rouge (1968–1975) Khmer Rumdo  North Vietnam Việt Cộng Other support:  China  Cuba Czechoslovakia Romania  Soviet Union | Khmer Rouge victory Fall of the Kingdom of Cambodia Creation, then collapse, of the Khmer Republic Establishment of Democratic Kampuchea Beginning of the Cambodian genocide | |
| Communist insurgency in Malaysia (1968-1989) Location: Malaysian Peninsular and Sarawak Sarawak Rangers (present-day part of the Malaysian Rangers) consisting of Ibans leap from a Royal Australian Air Force Bell UH-1 Iroquois helicopter to guard the Malay–Thai border from potential Communist attacks in 1965, two years before the war starting in 1968. | Anti-communist forces: Malaysia Thailand Supported by: United Kingdom Australia New Zealand United States South Vietnam (until 1975) | Communist forces: Malayan Communist Party Malayan National Liberation Army Communist Party of Thailand (until 1983) Supported by: China Soviet Union Vietnam (until late 1970s) North Kalimantan Communist Party | Peace agreement reached Communists agree to a ceasefire Peace Agreement of Hat Yai 1989 signed between the communists and the governments of Malaysia and Thailand Dissolution of the Malayan Communist Party (MCP) | |
| Third Indochina War (1975-1991) Location: Vietnam, Laos, Cambodia, Thailand, China | China Democratic Kampuchea Khmer Rouge CGDK Lao royalists Hmong insurgents FULRO Thailand Supported by: North Korea | Vietnam Laos People's Republic of Kampuchea Communist Party of Thailand Pak Mai Supported by: Warsaw Pact countries (until 1991) | Vietnam-allied victory Removal of the Khmer Rouge from power End of the Cambodian genocide Pro-Vietnamese government installed in Cambodia China withdraws from Vietnam after 27 days of fighting Communist Party of Thailand abandons armed struggle Vietnam withdraws from Cambodia in 1991 1990 Chengdu summit leads to the normalization of relations between China and Vietnam Restoration of the House of Norodom Ongoing insurgency in Laos | |
| Vietnamese border raids in Thailand (1979–1989) Location: Thai–Cambodian border, Gulf of Thailand | Thailand CGDK PDK (Khmer Rouge) KPNLF FUNCINPEC Supported by: China | Vietnam People's Republic of Kampuchea (1979–89) State of Cambodia (1989) Supported by: Soviet Union Poland Czechoslovakia East Germany | Vietnamese withdrew Destruction of numerous guerrilla bases and refugee camps along the Thai–Cambodian border Isolated outbreaks of open hostility between Vietnamese and Thai troops Withdrawal of Vietnamese troops from the border in 1989 | |
| Thai–Laotian Border War (1987-1988) Location: Chat Trakan District, Phitsanulok Province, Thailand Botene District, Sainyabuli Province, Lao PDR Noen 1428 (Hill 1428), the battlefield of Thai–Laotian Border War of 1988, view from Phu Soidao National Park, Chat Trakan, Phitsanulok. | Thailand | Laos Vietnam | Peace talks in Bangkok Return to status quo ante bellum | |
| 1999 East Timorese crisis (1999-2002) Location: East Timor Destroyed houses in Dili | East Timor International Force: Australia  New Zealand  Thailand Brazil  Canada  Fiji  France  Germany  Ireland  Italy  Jordan  Kenya  Malaysia  Norway  Pakistan  Philippines  Portugal  Singapore  South Korea  United Kingdom  United States | Insurgents: Pro-Indonesian Militias Aitarak Besi Merah Putih Laksaur Mahidi | Conflict ended Defeat of pro-Indonesian militia Stabilisation of East Timor | |
| Iraq War (2003–2004) Location: Iraq Iraq War montage | Invasion phase (2003) United States United Kingdom Australia Poland Peshmerga INC Supported by: Denmark Netherlands Italy Spain Post-invasion (2003–11) Iraq United States United Kingdom MNF–I (2003–09)  United States (2003–09)  United Kingdom (2003–09)  Australia (2003–09)  Turkey (2003–08)  Romania (2003–09)  Azerbaijan (2003–08)  Kuwait (2003–08)  Estonia (2003–09)  El Salvador (2003–09)  Bulgaria (2003–08)  Moldova (2003–08)  Albania (2003–08)  Ukraine (2003–08)  Denmark (2003–08)  Czech Republic (2003–08)  South Korea (2003–08)  Singapore (2003–08)  Bosnia and Herzegovina (2003–08)  North Macedonia (2003–08)  Latvia (2003–08)  Poland (2003–08)  Kazakhstan (2003–08)  Mongolia (2003–08)  Georgia (2003–08)  Tonga (2004–08)  Japan (2004–08)  Armenia (2005–08)  Slovakia (2003–07)  Lithuania (2003–07)  Italy (2003–06)  Norway (2003–06)  Hungary (2003–05)  Netherlands (2003–05)  Portugal (2003–05)  New Zealand (2003–04) Thailand (2003–04)  Philippines (2003–04)  Honduras (2003–04)  Dominican Republic (2003–04)  Spain (2003–04)  Nicaragua (2003–04)  Iceland (2003–04) Awakening Council Supported by: Iran Artesh  Iraqi Kurdistan Peshmerga | Invasion phase (2003) Iraq Ansar al-Islam Post-invasion (2003–11) Ba'ath loyalists SCJL JRTN Sunni insurgents AQI (2004–06) ISI (from 2006) IAI Ansar al-Sunnah (2003–07) Others Shia insurgents Mahdi Army Special Groups Asa'ib Ahl al-Haq Others Supported by: Iran IRGC Quds Force | Thailand-allied victory Invasion and occupation of Iraq Defeat of Ba'ath Party-led regime and execution of Saddam Hussein Iraqi insurgency, emergence of al-Qaeda in Iraq, and civil war Subsequent depletion of Iraqi insurgency, improvements in public security Establishment of democratic elections and formation of new Shia led government U.S.–Iraq Status of Forces Agreement Withdrawal of U.S. troops from Iraq Rise of Iraqi insurgency after U.S. withdrawal and spillover with the Syrian Civil War Resurgence of al-Qaeda in Iraq and Syria | |
| South Thailand insurgency (2004–present) Location: Southern Thailand (Songkhla, Pattani, Yala and Narathiwat) Souththailandmap | Thailand RTARF RTP VDC Support:  Malaysia  Indonesia  Qatar  Bahrain  Turkey  Germany  New Zealand (forensic science)  Australia (intelligence support)  Russia (intelligence support)  Canada (mine clearance)  USA (CIA, EOD, K-9) | BRN RKK GMIP BIPP PULO Jemaah Islamiyah Former support: Aceh (until 2005) Mayaki Cartel (financial support)  Islamic State East Asia Province (minimal presence)Drug cartels Mayaki Cartel Xaysana Cartel Usman Cartel Oil smugglers Pirates | Ongoing | |
| Cambodian–Thai border dispute (2008–2011) Location: Thai–Cambodian border Phraviharngopura | Thailand | Cambodia | Conflict ended ICJ decision awards promontory of Preah Vihear to Cambodia | |