Seven Year War

Seven Year War may refer to:
 * Seven Years' War (1756–63), among European powers and their colonies, encompassing the French and Indian War
 * Great Britain in the Seven Years' War
 * France in the Seven Years' War
 * Northern Seven Years' War (1563–70), also known as the Nordic Seven Years' War, Sweden against Denmark and allies
 * Japanese invasions of Korea (1592–98) Japan against Korea and China
 * Gunboat War (1807–14), Britain against Denmark and Norway, during the Napoleonic Wars