John Davidson may refer to:
- John Andrew Davidson (1852–1903), Canadian politician
- John Davidson (actor) (1886–1968), American actor
- John Davidson (botanist) (1878–1970), British Columbia's first Provincial Botanist
- John Davidson (general) (1824–1881), US Army major general
- John Davidson (poet) (1857–1909), Scottish poet and playwright
- John Davidson (politician) (1924–2012), American politician
- John Davidson (entertainer) (born 1941), American television actor and game show host
- John Davidson (ice hockey) (born 1953), Canadian NHL hockey player and executive
- John Davidson (traveller) (1797–1836), English traveler in Africa
- John Frank Davidson (born 1926), chemical engineer awarded a Royal Medal in 1999
- John Humphrey Davidson (1876–1954), British major general and politician
- John James Davidson, British MP, 1935–1945
- J. C. C. Davidson, 1st Viscount Davidson (1889–1970), British politician
- John Davidson, sufferer of Tourette's Syndrome and the subject of a BBC documentary John's Not Mad
Famous quotes containing the words john and/or davidson:
“The crusade against Communism was even more imaginary than the spectre of Communism.”
—A.J.P. (Alan John Percivale)
“How long she stayed I cannot tell;
But when she felt this perfidy,
She marched across the floor of hell;
And all the damned stood up to see.”
—John Davidson (1857–1909)