John Clancy

John Clancy may refer to:

Politicians

 * John Clancy (Labour politician), leader of Birmingham City Council
 * John Michael Clancy (1837–1903), United States Representative from New York
 * John R. Clancy (1859–1932), United States Representative from New York
 * John T. Clancy (1903–1985), U.S. politician from Brooklyn, New York City
 * J. J. Clancy (North Dublin MP) (1847–1928), Irish Member of Parliament North Dublin, 1885–1918
 * J. J. Clancy (Sinn Féin politician) (1891–1932), Irish Teachta Dála North Sligo, 1918–1921

Sports

 * Jack Clancy (born 1944), American football player
 * Jack Clancy (Australian footballer) (1934–2014), Australian rules footballer

Others

 * John Clancy (Medal of Honor) (1860s–?), American soldier and Medal of Honor recipient
 * John Clancy (playwright), American playwright and theater director
 * John Joseph Clancy (bishop) (1856–1912), Bishop of Elphin from 1895 to 1912
 * John S. J. Clancy (1895–1970), Australian judge
 * John William Clancy (1888–1969), U.S. federal judge