John Griffith may refer to:

• John Griffith (Baptist minister) (1622?–1700), English General Baptist minister
• John Griffith (monk) (fl. 1553), Welsh præmonstratensian and Cistercian monk
• John Griffith (priest) (1818/19–1885), Anglican priest in south Wales
• John Griffith (Rev.Dr.) (1789 -1879), academic and clergyman
• John Jones (martyr) (died 1598), also known as John Griffith

• John Thomas Griffith (born 1960), American singer-songwriter with the band Cowboy Mouth
• Johnny Griffith (musician) (1936–2002), African-American musician

• John H. Griffith (1905–2011), test pilot
• John Sharpe Griffith (1898–1974), American First World War flying ace

• John Griffith (died 1580), MP for Flintshire
• John Griffith (of Plas Mawr) (died 1609), MP for Carnarvon 1571, 1572 and 1604
• John Griffith (of Llyn), MP for Carnarvonshire 1640
• John Griffith (MP for Beaumaris) (1591–1642), Welsh politician
• John Griffith (MP for Caernarvon) (1662–1687), MP for Carnarvon 1685
• John Griffith (MP for Chester), represented Chester
• John Griffith (1687–1739), Welsh MP for Caernarvonshire
• John Wynne Griffith (1763–1834), MP for Denbigh
• John Griffith (Governor of Bombay), Governor of Bombay, 1795
• John K. Griffith (1882–1942), U.S. Representative from Louisiana

• John G. Griffith (1880–1948), American football, basketball, and baseball coach at University of Idaho, University of Iowa, Oklahoma A&M University, New Mexico A&M
• John L. Griffith (1877–1944), American football, basketball, baseball, and track athlete, coach, and college athletics administrator, first commissioner of the Big Ten Conference
• Johnny Griffith (coach) (1924–2003), American football coach at South Georgia College and the University of Georgia

• John Griffith (engineer) (1848–1938), Irish civil engineer
• John Stanley Griffith (1928–1972), British chemist and biophysicist
• John Griffith (journalist) (1821–1877), Welsh language journalist
• J. A. G. Griffith (1918–2010), Welsh legal scholar
• John Norton-Griffiths (1871–1930), British Army officer during the Second Boer War and the First World War, and a Member of Parliament.
• John V. Griffith (born 1947), former president of Presbyterian College and Lyon College
• John William Griffith (1789–1855), English architect and surveyor

• Griffith John (1831–1912), Welsh Christian missionary to China

This disambiguation page lists articles about people with the same name.
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