- Source: John Main (disambiguation)
John Main (1926–1982) was a Roman Catholic priest. John Main may also refer to:
John Main (minister) (1728–1795), Scottish minister
John Main (politician) (fl. 2010s–2020s), Canadian politician
John F. Main (1864–1942), justice of the Washington Supreme Court
See also
John DeMain (fl. 1970s–2020s), American conductor
John Maines (born 1948), musician, trombone player and active figure in the British brass band movement