The movie poster won Best Poster of the Year by IMP Awards in 2021.
Promising Young Woman had its world premiere at the Sundance Film Festival on January 25, 2020, and was theatrically released in the United States on December 25, 2020, by Focus Features. It received positive reviews from critics, with praise directed at its screenplay, direction, and Mulligan's performance, and grossed $15 million worldwide. The film won the Best Original Screenplay at the 93rd Academy Awards, with additional nominations for Best Picture, Best Director, Best Actress (Mulligan) and Best Film Editing. Fennell also won Best Original Screenplay at the Critics' Choice Awards, Writers' Guild Awards and British Academy Film Awards.