John Clancy
John Clancy may refer to:
Politicians
- John Clancy, leader of Birmingham City Council
- John Michael Clancy, United States Representative from New York
- John R. Clancy, United States Representative from New York
- John T. Clancy, U.S. politician from Brooklyn, New York City
- J. J. Clancy , Irish Member of Parliament North Dublin, 1885–1918
- J. J. Clancy , Irish Teachta Dála North Sligo, 1918–1921
Sports
- Jack Clancy, American football player
- Jack Clancy , Australian rules footballer
Others
- John Clancy , American soldier and Medal of Honor recipient
- John Clancy, American playwright and theater director
- John Joseph Clancy , Bishop of Elphin from 1895 to 1912
- John S. J. Clancy, Australian judge
- John William Clancy, U.S. federal judge
- John Clancy, American theater composer and orchestrator