Atwell is a surname of Anglo-Saxon origin. Notable people with the surname include:
Billy Atwell, American musician, drummer with th' InbredBradley Atwell (?–2012), American Marine killed in the September 2012 Camp Bastion raidClarence Atwell Jr. (1945–2013), Native American tribal leader and politicianDavid Atwell, Las Vegas real estate brokerFreda Cruse Atwell (1957– ), American writer and photographerHayley Atwell (1982– ), English actressHugh Atwell (?–1621), English actorJames Edgar Atwell (1946– ), former Dean of WinchesterJoe Atwell (1919–1988), North American construction investor and builderSir John Atwell (1911–1999), Scottish engineerMalcolm Atwell (1936– ), Australian football playerPhilip Atwell, American video directorRobert Ronald Atwell (1954– ), Anglican Bishop of StockportRoy Atwell (1878–1962), American actor, comedian and composerSam Atwell (1979– ), Australian actorSarah Atwell, pen name of author Sheila Connolly (1950– )Steve Atwell, bassist with Jacob's TroubleToby Atwell (1924–2003), American baseball playerWilliam Hawley Atwell (1869–1969), United States federal judgeWinifred Atwell (1914–1983), pianist born in Trinidad and TobagoYvonne Atwell (1943– ), Canadian politicianIn fiction:
Douglas Atwell, character in the 1928 musical Present ArmsMiss Atwell, character in Minty Alley