John Maguire may refer to:
- John Maguire (fighter), English mixed martial artist
- John Maguire (American bishop) (1904–1989), coadjutor archbishop in the Roman Catholic Archdiocese of New York
- John Maguire (cricketer) (born 1956), Australian cricketer
- John Maguire (Irish politician) (died 1872), Irish politician
- John Maguire (Scottish bishop) (1851–1920), Archbishop of Glasgow
- John A. Maguire (1870–1939), American politician
- Jack Maguire (1925–2001), American baseball player
Famous quotes containing the word john:
“Mrs. John Lyford is so much pleased with the state of
widowhood as to be going to put in for being a widow again; she
is to marry a Mr. Fendall.”
—Jane Austen (1775–1817)