John, Johnny, or Johnnie Dawson may refer to:

Arts and entertainment John Dawson, actor played Mr. Mumford in Rentaghost John Dawson (musician) (1945–2009), American singer and guitarist with the New Riders of the Purple Sage

Politics and law John Dawson (Virginia politician) (1762–1814), American politician, U.S. representative from Virginia John Dawson Jr. (1765–1823), intendant (mayor) of Charleston, South Carolina John Bennett Dawson (1798–1845), American politician, U.S. representative from Louisiana John L. Dawson (1813–1870), American politician, U.S. representative from Pennsylvania John W. Dawson (1820–1877), American politician, governor of Utah Territory John A. Dawson (Canadian politician) (1826–1902), member of Canadian House of Commons from Pictou John Dawson (Australian politician) (fl. 1861), member of the New South Wales Legislative Council John Shaw Dawson (1869–1960), Justice of the Kansas Supreme Court John R. Dawson (1950–2003), United States Ambassador to Peru John Dawson (), candidate in the 2010 United States House of Representatives elections in Illinois

Science and medicine John Dawson (surgeon) (1734–1820), British mathematician and surgeon John Frederic Dawson (1802–1870), English entomologist and taxonomist John William Dawson (1820–1899), Canadian geologist John Dawson (botanist) (1928–2019), New Zealand botanist John M. Dawson (1930–2001), American computational physicist John Leonard Dawson (1932–1999), British physician, Serjeant Surgeon to the Royal Household John W. Dawson Jr. (born 1944), American mathematician

Sports John Dawson (cricketer, born 1871) (1871–1948), English cricketer Johnny Dawson (1902–1986), American amateur golfer Johnnie Dawson (1914–1984), American Negro leagues baseball player Peter Dawson (cricketer) (John Peter Dawson, 1946–2012), English cricketer

Others John Dawson, 1st Earl of Portarlington (1744–1798), Irish peer John Dawson, 2nd Earl of Portarlington (1781–1845), Irish peer John Dawson (slave trader) (died 1812), British slave trader John Barkley Dawson (1830–1918), American rancher, namesake of Dawson, New Mexico John A. Dawson (geographer), British academic in the fields of geography and marketing

See also Jack Dawson (disambiguation)