James Duff

James Duff may refer to:

Politicians

 * Sir James Duff (British Army officer) (1752–1839), British army officer, who fought in the Napoleonic wars and a Member of Parliament
 * James Grant Duff (1789–1858), Indian soldier and statesman
 * James Duff (North Norfolk MP) (1831–1878), British MP for North Norfolk
 * James Stoddart Duff (1856–1916), Canadian politician
 * James Augustine Duff (1872–1943), Ulster Unionist politician in Northern Ireland
 * James H. Duff (1883–1969), Pennsylvanian politician
 * James Duff, 2nd Earl Fife (1729–1809), MP for Banffshire and Elginshire
 * James Duff, 4th Earl Fife (1776–1857), MP for Banffshire
 * James Duff, 5th Earl Fife (1814–1879), MP for Banffshire

Others

 * Sir James Duff, 1st Baronet (died 1815), of the Duff-Gordon baronets
 * James Duff Duff (1860–1940), English translator and classical scholar
 * James Fitzjames Duff (1898–1970), British educationalist
 * James Duff (businessman), American billionaire businessman
 * James Duff (writer) (born 1955), American screenwriter and playwright
 * James C. Duff, Director of the Administrative Office of the United States Courts