Allister or Allster is a surname of Scottish origin. Notable people with the surname include:
People Claud Allister (1888–1970), English actor born William Claud Michael Palmer Donald Allister (born 1952), Church of England bishop Jack Allister (Australian footballer) (1919–1946) Jack Allister (Scottish footballer) (1927–1999) Jean Allister (1932–2012), opera singer from Northern Ireland Jessica Allister (born 1982), American softball coach and former catcher Jim Allister (born 1953), Ulster loyalist politician and barrister from Northern Ireland
Fictional Character Flay Allster, a fictional character from Mobile Suit Gundam SEED
George Allster, a fictional character from Mobile Suit Gundam SEED
See also McAllister (surname), a Scottish surname