Aller is a surname. Notable people with the surname include:
Eleanor Aller (later -Slatkin) (originally Altschuler, May 20, 1917 - October 13, 1995), a US Jewish cellist
Heinrich Aller (born 1947), a German politician; (de)
Lawrence Hugh Aller (1913–2003), US astronomer
Rodney Goddard Aller (1916–2005), American lawyer, naval officer and masters skier
Victor Aller (1905–1977), American pianist