John Dean (born 1938) was U.S. White House Counsel to President Nixon.

John Dean may also refer to:

• John Dean (convict), youngest person executed in the history of England
• John Dean (Pennsylvania judge) (1835–1905), Pennsylvania Supreme Court justice from 1892 to 1905
• John Dean (tenor) (1897–1990), English singer and actor
• John Dean (cyclist) (born 1947), New Zealand Olympic cyclist
• John Dean (footballer) (born 1956), Australian rules footballer
• John Gunther Dean (born 1926), U.S. diplomat
• John M. Dean (1852–1909), Texas state senator from El Paso County, 1892–1896, see Texas Senate, District 25
• John F. Dean (born 1946), U.S. Tax Court judge
• Jono Dean (born 1984), Australian cricketer
• Johnno Dean, character in long running UK drama series Hollyoaks
• John Dean, sole British survivor of the sinking of the Sussex East Indiaman, at Bassas da India in 1738
• John S. Dean, author of Murder Most Foul (1947) in his capacity of chair of the Pedestrians Association (UK).
• John Dean (Massachusetts politician), representative to the Great and General Court
• Sean O'Mahony (journalist) (1932–2020), British music writer and magazine editor, who wrote under the name Johnny Dean
• Johnny Dean (born 1971), British musician
• John Wooster Dean (1874–1950), American actor better known as Jack Dean

See also[edit]

• John Deane (disambiguation)
• Jonathan Dean House, historic house in Massachusetts
• John Dean Provincial Park, Canada