Broadwell is a surname, probably derived from placenames in Britain. Notable people with the surname include:
Cyrus Broadwell (1801–1879), builder of Cyrus Broadwell House Lewis Wells Broadwell (1820–1906), American engineer and inventor of firearms and artillery components Lucina C. Broadwell (c. 1890–1919), American murder victim Robert Broadwell (fl. 1919), director of The Great Radium Mystery James Eugene Broadwell (1921–2018), American aeronautical engineer Charles Broadwell (fl. 2000s), publisher of The Fayetteville Observer Paula Broadwell (fl. 2012), American biographer of Gen. David Petraeus
Fictional characters Amanda Broadwell, in web series The Cavanaughs