John Kavanagh may refer to:
John Kavanagh (actor) (born c. 1940s), Irish actor John Kavanagh (Arizona politician) (born 1950), American politician from Arizona John Kavanagh (bishop) (1913–1985), Catholic Bishop of Dunedin, 1949–1985 John Kavanagh (martial artist) (born 1977), Irish martial arts coach John Kavanagh (Newfoundland politician) (1814–1884), Newfoundland politician John Francis Kavanagh (1903–1984), Irish sculptor and artist
See also John Kavanaugh (fl. 1980s–2010s), American composer, lyricist and musical director Jack Kavanagh (disambiguation) John Cavanagh (disambiguation) John Cavanaugh (disambiguation)