John Howell may refer to:

Sports people John Howell (athlete) (born 1936), British Olympic long jumper John Howell (bobsleigh) (1955–2006), British Olympic bobsledder John Howell (cricketer) (1943–2010), New Zealand cricketer John Howell (defensive back) (born 1978), National Football League safety John Howell (halfback) (1915–1946), National Football League halfback

Other people John Howell (art director) (1914–1993), British film set designer John Howell (activist) (1933–1988), community activist in Atlanta, Georgia John Howell (MP for Exeter), 17th century, English MP for Exeter, 1601 John Howell (poet) (1774–1830), Welsh poet John Howell (politician) (born 1955), British Member of Parliament John Howell (polyartist) (1788–1863), Scottish inventor in Edinburgh John Howell (pioneer) (1809–1874), New Zealand whaler, trader, pastoralist, and politician John Howell (mining engineer) (1833–1910), Canadian-born, naturalized-American mining engineer, who worked in Australia from 1889 John Adams Howell (1840–1918), rear admiral of the United States Navy, served in the American Civil War and the Spanish–American War; also a noted inventor. John Cummings Howell (1819–1892), rear admiral of the United States Navy, served in the American Civil War John McDade Howell (1922–2016), American academic; chancellor of East Carolina University John Bruce Howell (1941–1997), American librarian and bibliographer John H. Howell, US Army artillery officer John Henry Howell (1869–1944), New Zealand technical college principal and Quaker John Morgan Howell (1855–1928), political figure in Cardiganshire, Wales John Thomas Howell (1903–1994), American botanist and taxonomist John White Howell (1857–1937), American electrical engineer

Other John Howell & Son, 19th-century British engineering company

See also Jack Howell (disambiguation) John Mead Howells (1868–1959), American architect