Kim Si-a (Korean: 김시아; born May 6, 2008), is a South Korean actress.

She had notable roles in Miss Baek (2018), Ashfall (2019), Kingdom: Ashin of the North (2021) The Silent Sea (2021) and Sweet Home (2023).

[1] She signed an exclusive contract with Mystic Entertainment in 2019.

[2] In 2024, she parted ways with Mystic and signed an exclusive contract with BH Entertainment.

[3] She has a younger sister, Kim Bo-min, who is a child actress.