John Hewitt may refer to:
- John Hewitt (priest) (died 1588), English Roman Catholic priest and Catholic martyr, beatified in 1929
- John Hewitt (antiquary) (1807–1878), English official
- John Hill Hewitt (1801–1890), newspaper editor
- John Napoleon Brinton Hewitt (1859–1937), linguist
- John Hewitt (herpetologist) (1880–1961), South African zoologist and archaeologist
- John Haskell Hewitt (1835–1920), American classical scholar and educator
- John Hewitt (poet) (1907–1987), poet from Northern Ireland
- John Hewitt (entrepreneur) (born 1949), U.S. entrepreneur
- John Hewitt (footballer) (born 1963), Scottish former footballer and manager
- John Hewitt (pentathlete) (born 1925), British Olympic pentathlete
- John Hewitt, author of the Ringworld role-playing game
Famous quotes containing the words john and/or hewitt:
“a notable prince that was called King John;
And he ruled England with main and with might,
For he did great wrong, and maintained little right.”
—Unknown. King John and the Abbot of Canterbury (l. 2–4)
“The decision to have a child is both a private and a public decision, for children are our collective future.”
—Sylvia Ann Hewitt (20th century)