James Dillon

James Dillon may refer to:

James Dillon, 1st Earl of Roscommon (died 1642), Irish peer
James Dillon, 3rd Earl of Roscommon (c. 1605–1649), leader of the Royalist forces in Ireland
James Dillon (Australian politician) (1880–1949), Victorian State politician for the electoral district of Essendon
James Dillon (bishop) (1738–1806), Roman Catholic Bishop of Kilmore, Ireland
James Dillon (composer) (born 1950), Scottish composer often regarded as belonging to the New Complexity school
James Dillon (Fine Gael politician) (1902–1986), Irish politician and leader of the Fine Gael party
James Dillon (senator) (died 1955), farmer who served in the Senate of the Irish Free State
James Dillon (officer) (c. 1600–after 1669), Irish Confederate officer
J. J. Dillon (born 1942), retired American professional wrestler and manager
James Dillon Armstrong (1821–1893), American lawyer, politician, and jurist from West Virginia