Averil is a feminine given name. Notable people with the name include:
Everilda or Averil, Anglo-Saxon saint of the 7th centuryAveril Beaumont or Margaret Raine Hunt, authorAveril Cameron (born 1940), Professor of Late Antique and Byzantine HistoryAveril Ives or Ida Pollock, British writerAveril Leimon, author and executive coachAveril Margaret Lysaght (1905–1981), New Zealand biologist, science historian and illustratorLana Morris or Averil Maureen Anita Morris (1930–1998), British actressAveril Power (born 1978), Irish Fianna Fáil politician.