John Cowan (disambiguation) explained
John Cowan (born 1952) is an American musician.
John Cowan may also refer to:
Politics and law
- John Cowan, Lord Cowan (1798–1878), Senator of the College of Justice in Scotland
- Sir John Cowan (sheriff) (died 1842), Lord Mayor of London
- John Cowan (Newfoundland politician) (1847–1927), politician in Newfoundland
- John F. Cowan (1858–1917), North Dakota lawyer, politician, Attorney General, and judge
- Sir John Cowan (Australian politician) (1866–1953), Australian politician
- John Lancelot Cowan (1893–1971), Australian politician
Science and medicine
Sports
Others
See also