Baron Raglan, of Raglan in the County of Monmouth, is a title in the Peerage of the United Kingdom. It was created on 20 October 1852 for the military commander Lord FitzRoy Somerset, chiefly remembered as commander of the British troops during the Crimean War.

Field Marshal FitzRoy James Henry Somerset, 1st Baron Raglan,, known before 1852 as Lord FitzRoy Somerset, was a British Army officer. When a junior officer, he served in the Peninsular War and the Waterloo campaign, latterly as military secretary to the Duke of Wellington. He also took part in politics as Tory Member of Parliament for Truro, before becoming Master-General of the Ordnance.