John Kearns (born 1987) is an English comedian.
John Kearns may also refer to:
John Kearns (politician) (1784–1864), Irish-Canadian politician Jack Kearns (1882–1963), American boxer and boxing manager John Kearns (footballer) (1883–1928), English footballer Jack Kearns (footballer) (1914–1945), English footballer John Kearns, English disc jockey, MTV presenter, and judge on Young Star Search
See also John Kerans, politician and Royal Navy officer