Hartnell is an English surname. Notable people with this surname include the following:Andy Hartnell, American comic book writer Bryan Calvin Hartnell, victim of the Zodiac Killer in California, 1969 Sir Norman Hartnell (1901–1979), English fashion designer Scott Hartnell, 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
