Arnall is a surname. Notable people with the surname include:

• Ellis Arnall (1907–1992), American politician, 69th Governor of Georgia from 1943 to 1947
• Julia Arnall (1928–2018), Austrian actress
• Roland Arnall (1939–2008), French-born American businessman and diplomat
• William Arnall (died 1736), English political writer

See also

• Arnall Patz (1920–2010), American medical doctor and research professor at Johns Hopkins University
• Arnall Middle School, middle school located in Newnan, Georgia but serves parts of Sharpsburg, Georgia