A single-ship action is a naval engagement fought between two warships of opposing sides, excluding submarine engagements; it is called so because there is a single ship on each side. The following is a list of notable single-ship actions.

Single-ship actions

Anglo-Spanish War

Third Anglo-Dutch War

Golden Age of Piracy

War of the Austrian Succession

Seven Years War

American Revolutionary War

French Revolutionary Wars

Quasi-War

First Barbary War

Napoleonic Wars

War of 1812

Argentine War of Independence

Suppression of the slave trade

Texas Revolution

War of the Confederation

First Schleswig War

Crimean War

American Civil War

Chincha Islands War

Franco-Prussian War

Russo-Turkish War of 1877–1878

War of the Pacific

Spanish–American War

Venezuelan Civil War

Mexican Revolution

World War I

Russian Civil War

World War II

Ecuadorian–Peruvian War

Korean War

Vietnam War

Sri Lankan Civil War

Anti-piracy off Somalia

Anti-piracy in the Gulf of Guinea

Second Libyan Civil War

Anti-piracy off Venezuela