Hilda Koronel (born Susan Reid; January 17, 1957) is a MMFF, FAMAS, Luna and Urian award-winning Filipino actress. Because of her natural gift of acting, Lino Brocka took notice of her and directed her in a weekly drama show, entitled, Hilda. Her career got off to an unprecedented start becoming the youngest winner of the FAMAS Best Supporting Actress award in 1970 right at the beginning of her career which she won at the age of just 13 for her role in the 1970 film Santiago!.

In 1975 and 1976, she starred in the Lino Brocka classics Manila in the Claws of Light, which won six FAMAS awards in 1976, and Insiang, which won both a FAMAS Award and a Gawad Urian Award in 1977. To date she has won three awards and received 11 nominations. In 2013, she received a Luna Award for best supporting actress for her role in The Mistress.