One Day as a Lion is a 2023 American action thriller comedy film directed by John Swab, written by Scott Caan, and starring Caan, Frank Grillo and J. K.

[3] The film was released in select theaters on April 4, 2023.

[6] The film has a 64% rating on Rotten Tomatoes based on 22 reviews.

[7] Noel Murray of the Los Angeles Times gave the film a positive review and wrote, "Nevertheless, the movie has the kind of personality and heart too often missing from grimy little crime pictures.

"[8] Peter Martin of Screen Anarchy also gave the film a positive review and wrote, "One Day as a Lion is sufficiently likable to overcome its evident shortcomings and makes for a roughly criminal B-picture.