John Griffiths
John Griffiths may refer to:
Politicians and lawyers
- John Griffiths (Welsh politician), Welsh Labour Party politician
- John Griffiths (Conservative politician), British local government leader
- John Griffiths (Liberal politician), British politician and author
- John Calvert Griffiths, former Attorney General of Hong Kong and lawyer
- John L. Griffiths, Consul General of the United States to Britain
- John Jones Griffiths, Welsh educationalist and politician
Sportsmen
- John Griffiths (cricketer, born 1863), English cricketer
- John Griffiths (cricketer, born 1931), cricketer
- Jack Griffiths, English footballer
- John Griffiths (footballer, born 1876), English football wing half
- John Griffiths (footballer, born 1951), English football midfielder
- John Griffiths (rugby union), Australian rugby union player
Other people
- John Griffiths (Medal of Honor), American Civil War soldier and sailor and Medal of Honor recipient
- John Griffiths (shipowner), Australian colonial shipowner and builder
- John Griffiths (academic), English academic and Warden of Wadham College, Oxford
- John Griffiths (artist), artist who worked in India
- John Griffiths (curator), Welsh museum curator
- John Griffiths (mathematician), Welsh mathematician
- John Griffiths (musician), Australian vihuelist and musicologist
- John F. Griffiths, British and American climatologist
- John W. Griffiths, American naval architect
- *, a Liberty ship
- J. Gwyn Griffiths, Welsh poet, Egyptologist and nationalist political activist
- John Griffiths (surgeon), Surgeon to Queen Charlotte's household
- John Griffiths (archdeacon of Llandaff)
- John O. Griffiths, British philatelist
- John Fraser Griffiths, South African who worked as a British colonial official