Hartnell is an English surname. Notable people with this surname include the following:

• Andy Hartnell, American comic book writer

• Bryan Calvin Hartnell, only survivor of the Zodiac Killer in California, 1969

• John Hartnell, English seaman and explorer on Franklin's lost expedition to find the Northwest Passage

• Sir Norman Hartnell (1901–1979), English fashion designer

• Scott Hartnell (born 1982), Canadian professional ice hockey player

• Tim Hartnell (1951–1991), an Australian journalist

• William Hartnell (1908–1975), English actor who portrayed the First Doctor in the BBC's Doctor Who

• William Edward Petty Hartnell otherwise Don Guillermo Arnel (1798–1854), English-born merchant and administrator in California

Other uses

• Hartnell (horse) (foaled 2011), a British racehorse,

See also

• Hartnoll - as a surname

• Hartwell (disambiguation)

• Hartnell College