The following is a list of Saturn Award nominees and winners for Best Supporting Actress, which rewards the best female supporting performance in a genre film. Anne Ramsey, Tilda Swinton, and Emily Blunt are the only actresses to win this award multiple times (twice), while only Whoopi Goldberg and Mercedes Ruehl have won both the Saturn Award and the Academy Award for Best Supporting Actress for the same role.

Winners and nominees

1970s

1980s

1990s

2000s

2010s

2020s

Multiple nominations

Multiple wins