Antoinette Cellier (23 June 1913 – 18 January 1981) was an English film and theatre actress.
She was born Antoinette Florence Glossop Cellier in Broadstairs, Kent, England. Her father, Frank Cellier, was a film and theatre actor. Her brother Peter Cellier went on to become a film, television and theatre actor as well.
Cellier trained at the Royal Academy of Dramatic Art, one of the United Kingdom's oldest drama schools, located in London.
In 1940 she became the second wife of actor Bruce Lovat Seton, 11th Baronet of Abercorn.
She made her stage début in London's West End theatre in Firebird. Her first film was Music Hath Charms (1935).