# List of wars involving Nicaragua

This is a list of wars involving the Republic of Nicaragua.
| Conflict | Combatant 1 | Combatant 2 | Results | Head of State |
| Nicaraguan Independence Movements (1811–1812) | Nicaraguan revolutionaries | Spanish Empire | Defeat Revolts suppressed | José de Salvador y Antoli |
| Civil war of 1824 (1824) | Fiebres | Timbucos | Fiebres victory José Anacleto Ordóñez is given the position of "Inspector General of Arms of the Federal Republic of Central America" | José Anacleto Ordóñez |
| Cerda-Argüello War (1827–1828) | Liberal Federalists | Conservative Federalists | Liberal victory Execution of Manuel Antonio de la Cerda | Juan Argüello del Castillo |
| Flores' Rebellion (1834) | Nicaraguan Government | Anti-Constitutionalist Rebels | Government victory Cándido Flores is defeated in Managua and later flees Granada | José Núñez |
| Invasion of Guanacaste (1836) | Nicaragua Costa Ricans exiled | Costa Rica | Defeat Withdrawal of Nicaraguan forces | Manuel Quijano |
| Malespín's War (1844–1845) | Nicaragua | El Salvador Honduras | Defeat León is looted and massacred Execution of Emiliano Madriz | Emiliano MadrizBlas Antonio SáenzSilvestre Selva |
| Recapture of San Juan del Norte (1848) | Nicaragua | United Kingdom Kingdom of Mosquitia | Defeat Nicaragua returned San Juan del Norte to Mosquitia. | José María Guerrero |
| Granada-León Civil War (1853–1855) | Legitimists | Democrats | Stalemate Francisco Castellón hires William Walker and his mercenaries The war continues as the Filibuster War | Fruto ChamorroFrancisco Castellón |
| Filibuster War (1855–1857) | Nicaragua Legitimists  Costa Rica Guatemala Honduras El Salvador United States | Filibusters Democrats | Legitimist victory William Walker's army is defeated and he is arrested by the US Navy | Fruto ChamorroWilliam Walker |
| Barrios' War of Reunification (1885) | El Salvador Mexico Costa Rica Nicaragua | Guatemala Honduras | Victory Withdrawal of Guatemalan soldiers Death of Justo Rufino Barrios | Adán Cárdenas |
| Nicaragua Crisis of 1895 (1894–1895) | Nicaragua | United Kingdom | Victory Establishment of the Zelaya Department | José Santos Zelaya |
| Honduran Civil War (1906–1907) | Liberal Rebels Nicaragua | Honduras El Salvador | Victory Dávila becomes President of Honduras |
| Estrada's Rebellion (1909–1910) | Liberal Government | Conservative Rebels United States | Regime change Estrada recognized as President of Nicaragua |
| Mena's Rebellion (1912) | Conservative Government United States | Liberal Rebels | Government victory Liberal rebels exiled to Panama | Adolfo Díaz |
| World War I (1918) | France United Kingdom Russia United States Italy Japan China Canada Australia New Zealand India South Africa Serbia Montenegro Romania Belgium Greece Portugal Brazil Cuba Panama Guatemala Nicaragua Costa Rica Honduras | Germany Austria-Hungary Ottoman Empire Bulgaria | Victory End of the German, Russian, Ottoman, and Austro-Hungarian empires Formation of new countries in Europe and the Middle East Transfer of German colonies and regions of the former Ottoman Empire to other powers Establishment of the League of Nations | Emiliano Chamorro Vargas |
| Constitutionalist War (1926–1927) | Conservative Government United States | Liberal Rebels | Government victory Pact of Espino Negro, election of 1928 held |
| Sandinistas War (1927–1933) | Conservative Government United States | Sandinistas | Government victory Sandinistas surrender their weapons | Adolfo Díaz |
| World War II (1941–1945) | United States Soviet Union United Kingdom China France Poland Canada Australia New Zealand India South Africa Yugoslavia Greece Denmark Norway Netherlands Belgium Luxembourg Czechoslovakia Brazil Mexico Panama Costa Rica El Salvador Guatemala Honduras Nicaragua Dominican Republic Cuba | Germany Japan Italy Hungary Romania Bulgaria Croatia Slovakia Finland Thailand Manchukuo Mengjiang | Victory Collapse of the Third Reich Fall of Japanese and Italian Empires Creation of the United Nations Emergence of the United States and the Soviet Union as superpowers Beginning of the Cold War | Anastasio Somoza García |
| Costa Rican Civil War (1948) | Costa Rica Calderón Forces People's Vanguard Party Nicaragua | National Liberation Movement Ulatistas | Defeat Teodoro Picado Michalski toppled, José Figueres Ferrer becomes President of Costa Rica | Víctor Manuel Román |
| Invasion of Costa Rica (1955) | Calderón Forces Nicaragua | Costa Rica | Defeat Nicaraguan withdrawal from Costa Rica | Anastasio Somoza García |
| Dominican Civil War (1965–1966) | Dominican Loyalists United States Brazil Paraguay Honduras Nicaragua Costa Rica El Salvador | Dominican Constitutionalists | Victory Juan Bosch excluded from Presidency, election of Joaquín Balaguer | René Schick |
| Nicaraguan Revolution (1972–1990) | Somoza Government Contras | FSLN | Regime change Overthrow of Somoza government | Anastasio Somoza Debayle |
| Miskito Conflict (1982–1987) | Nicaragua | Miskito Guerrillas | Victory Guerillas defeated | Daniel Ortega |
| Operation Golden Pheasant (1988) | Nicaragua | United States Honduras | Defeat Withdrawal of Nicaraguan forces from Honduran territory |
| Iraq War (2003–2004) | Iraq Iraqi Kurdistan MNF–I  United States  United Kingdom  South Korea  Italy  Poland  Australia  Georgia  Ukraine  Netherlands  Romania  Bulgaria  Denmark  Thailand  Spain  El Salvador  Honduras  Nicaragua  Dominican Republic | SCJL Naqshbandi Army ISI al-Qaeda FIA Ansar al-Islam IAI Mahdi Army Special Groups Badr Brigades Kata'ib Hezbollah | Victory Depletion of Iraqi insurgency, improvements in public security Re-establishment of democratic elections U.S.-Iraq Status of Forces Agreement | Enrique Bolaños |