* John Walker (1826-1885), cricketer and the eldest brother of the Walkers of Southgate.
* John Walker (1854- *), cricketer
* John Walker (inventor), inventor of the friction match, in 1827.
* John Walker (programmer), one of the designers of AutoCAD.
* John Walker (Medal of Honor), American Indian Wars soldier and Medal of Honor recipient
* John Walker (runner), winner of the Olympic Games 1500m in 1976.
* John Walker (football player), former cornerback for the USC Trojans and likely 2006 NFL Draft pick.
* John Walker (painter), nominee for the Turner Prize in 1985.
* John Walker (Birmingham Six), accused of bombings in England.
* John Walker (grocer), founder of ''John Walker & Sons'' and namesake of the Johnnie Walker whisky brand.
* John Walker (naturalist) (1731–1803), Regius Professor of Natural History at the University of Edinburgh.
* John Walker (politician), (1744–1809), U.S. Senator and Continental Congressman from Virginia
* John Riddell Bromhead Walker, English officer of arms.
* John Walker (fictional character) character in Arthur Ransome's Swallows and Amazons
* John Walker (Missouri politician), State Treasurer of Missouri
* John George Walker, general in the Confederate States Army during the American Civil War
* John Grimes Walker (1835–1907), U.S. Navy admiral.
* John M. Walker, Jr., chief judge of the United States Court of Appeals for the Second Circuit.
* John Anthony Walker, a Soviet spy active during the Cold War.
* John Brisben Walker (1847–1931), U.S. entrepreneur and magazine publisher.
* John Ernest Walker (1941– ), British chemist, winner of the 1997 Nobel Prize.
* John Williams Walker, a U.S. Senator from Alabama.
* Captain Frederick John Walker RN (1896–1944) (normally known as "Johnny Walker"), a British anti-submarine commander during the Second World War.
* John Walker (comics) Ultra-patriotic crime fighter, formerly Super-Patriot and Captain America VI, now USAgent.
* Johnnie Walker (DJ) a British radio disc jockey.
* Johnny Walker (actor), an Indian actor
* John Walker (Australian actor), an Australian comedic actor.
* Johnny Walker (wrestler), a masked professional wrestler
* John Walker (country singer), lead singer in New England country band, Stingy Brimm.
The name is also:
* The stage name of John Maus, a member of the 1960s singing group, the Walker Brothers.
* The name preferred by American John Walker Lindh, convicted of working with the Taliban.
See also Johnnie Walker (disambiguation)
Biography courtesy of the brilliant Wikipedia!
