John Powell
John Powell may refer to:
Politics and law
- John Powell, MP for Cardigan (UK [Parliament constituency)|Cardigan]
- John Powell (1645–1713), English Member of Parliament for Gloucester, 1685–1689
- John Joseph Powell, British Member of Parliament for Gloucester, 1862–1865
- John Enoch Powell, British politician
- John Powell (Canadian politician), mayor of Toronto
- John A.H. Powell, political figure in upper Canada
- John Powell (judge), Welsh judge
- John Blake Powell, Irish judge
- John William Powell (politician), American politician
Sports
- John Powell (footballer, born 1892), English footballer
- John Powell (footballer, born 1936), English semi-professional footballer
- John Powell (Australian footballer), Australian footballer for Collingwood and Fitzroy
- John Powell (weightlifter), Australian Olympic weightlifter
- Jackie Powell, South African rugby union player
- John Powell (cricketer), New Zealand cricketer
- John Powell (discus thrower), American discus thrower
- Jack Powell (runner), English athlete
Others
- John Powell (painter), British painter
- Joseph Powell (painter), English artist and teacher, sometimes called "John Powell"
- John Wesley Powell, American geologist and explorer
- John Powell (musician), American pianist, composer, and eugenicist who promoted white separatist ideologies
- John Powell (film composer), British composer
- John Powell (physicist), British physicist, creator of the EMI brain scanner
- John W. Powell, American publisher of China Weekly Review, tried for sedition in 1956
- John A. Powell, American academic
- John Powell (Jesuit), American priest and author
- John Frederick Powell, Royal Air Force officer
- John Hare Powel, American agriculturist