John Williamson
John Williamson is the name of the following people:
- John Williamson (politician) (1815–1875), New Zealand politician
- John Williamson (geologist) (1907-1958), Canadian geologist
- John Williamson (economist) (born 1937), British economist
- John Williamson (singer) (born 1945), Australian country singer
- John Williamson (musicologist) (* 1949), British musicologist
- John Williamson (basketball player) (1951–1996), American basketball player
- John Finley Williamson (1887–1964), American conductor and musician
- John N. Williamson (1855–1943), American politician (Oregon)
- John Stewart Williamson , known as Jack Williamson (1908-2006), American science fiction writer
