Gi So-you (기소유) is a South Korean actress born on February 16, 2017, in South Korea. She began acting as a very young child and is still at the start of her career.

She is best known as the young Yoon Cho-won in the 2023 romance fantasy drama See You in My 19th Life, her main role in the Oxfea catalogue. Playing the younger version of a lead character gave her a memorable part in a popular series, and viewers will know her best from that early role.