The Hong Kong Film Award for Best Supporting Actress is an annual Hong Kong industry award presented to an actress for the best performance by an actress in a supporting role.

The award was established at the 4th Hong Kong Film Awards (1985) and the first winner was Anita Mui for her role in the film Behind the Yellow Line. There are 5, sometimes 6, nominations for the category of Best Supporting Actress from which one actress is chosen the winner of the Hong Kong Film Award for Best Supporting Actress. The most recent recipient of the award was Ivana Wong, who was honoured at the 41st Hong Kong Film Awards (2023), for her performance in Table for Six.

The actress with most awards in this category is Elaine Jin with 4 awards. There are six actresses who have been awarded in both the categories for leading and supporting roles, Anita Mui, Cecilia Yip, Zhou Xun, Deanie Ip, Kara Wai and Teresa Mo.

• Hong Kong Film Award
• Hong Kong Film Award for Best Actor
• Hong Kong Film Award for Best Actress
• Hong Kong Film Award for Best Supporting Actor
• Hong Kong Film Award for Best Action Choreography
• Hong Kong Film Award for Best Cinematography
• Hong Kong Film Award for Best Director
• Hong Kong Film Award for Best Film
• Hong Kong Film Award for Best New Performer