The English Wars () were a series of conflicts between Sweden and Denmark-Norway as part of the Napoleonic Wars. It is named after the most prominent region of its other main participant, the United Kingdom, which declared war on Denmark-Norway due to disagreements over the neutrality of Danish trade and to prevent the Danish fleet falling into the hands of the First French Empire. It began with the first battle of Copenhagen in 1801 and its latter stage from 1807 onwards was followed by the Gunboat War, the Dano-Swedish War of 1808-1809 and the Swedish invasion of Holstein in 1814.