David G. HartwellHartwell is a surname. Notable people with the surname include:
Abraham Hartwell (the elder) (fl. 1565), English poet writing in Latin
Abraham Hartwell (1553–1606), English translator and antiquarian
Alfred S. Hartwell (1836–1912), American Civil War officer and Hawaii judge
Alonzo Hartwell (1805–1873), American engraver and portrait artist
Ambrose Hartwell (1883–??), English footballer
Anthony Hartwell (1940–2023), British master mariner and baronet
Michael Berry, Baron Hartwell (1911–2001), newspaper proprietor
Brodrick C. D. A. Hartwell (1876–1948), British Army officer
Brodrick Hartwell (1909–1993), British baronet
Calvin Hartwell (died 1920), Mayor of Pasadena, California (1896–98)
Charles Hartwell (1825–1905), American missionary
Charles Leonard Hartwell (1873–1951), British sculptor
David G. Hartwell (1941–2016), American science fiction and fantasy editor
Dulcie Hartwell (1915–2012), South African trade union leader
Edgerton Hartwell (born 1978), American football player
Edward M. Hartwell (1850–1922), American academic
Elizabeth S. Hartwell (1924–2000), American conservationist
Emily Susan Hartwell (1859–1951), American missionary in China
Erin Hartwell (born 1969), American cyclist
Francis Hartwell (1757–1831), British Royal Navy officer
Henry Hartwell (c.1641–1699), British lawyer and politician in the Colony of Virginia
Indi Hartwell (born 1996), Australian professional wrestler
Jack Hartwell Sr.