John Dickson may refer to:
- John Dickson (New York politician) (1783–1852), U.S. Representative from New York
- John Dickson (Irish engraver) (1740-1811)
- John Dickson (railway contractor) (c1819-1892)
- John Dickson (author), Australian Christian author
- John Dickson (basketball) (born 1945), former ABA basketball player
- John B. Dickson (born 1943), American leader in The Church of Jesus Christ of Latter-day Saints
- John Dickson Carr (1906–1977), American author of detective stories
- John Dickson, pseudonym of Sigrid Schultz (1893–1980), American war correspondent
- John Dickson (MP), British Member of Parliament for Peeblesshire
- John Dickson (composer), film/TV composer