John Dent may refer to:
A number of early settlers and planters related to Charles County, Maryland:
Captain John Dent (c. 1645-1712), English-born American settler, planter and magistrate, nephew of Thomas Dent, Sr.
General John Dent (1733-1809), politician, magistrate and general in the Revolutionary War, father of George Dent
Captain John H. Dent (1782–1823), officer in the United States Navy during the Quasi-War and the First Barbary War, grandson of General John Dent
John Dent (1751-1811), English founder of Dents leather goods
John Dent (died 1826) (c. 1760–1826), British Member of Parliament for Lancaster and Poole
John Dent (merchant), (1821-1892), Hong Kong and Shanghai businessman
John Dent Dent (1826–1894), British Whig/Liberal MP for Knaresborough and Scarborough
John Charles Dent (1841–1888), Canadian historian
Johnny Dent (born 1903), English former footballer
John H. Dent (politician) (1908–1988), Democratic member of the U.S. House of Representatives from Pennsylvania
John Dent, character in Across the Continent