Past Lives is a 2023 American romantic drama film written and directed by Celine Song in her feature directorial debut. Starring Greta Lee, Teo Yoo, and John Magaro, the film follows the relationship between two childhood friends over the course of 24 years, as they contemplate their relationship when they grow apart to have different lives. The plot is semi-autobiographical and inspired by real events from Song's life.

Past Lives had its world premiere at the Sundance Film Festival on January 21, 2023, and was released theatrically in the United States on June 2, 2023. The film has received universal critical acclaim, with praise directed towards Song's writing and direction, visual style, and lead performances of Lee, Yoo, and Magaro.