Dream Horse is a 2020 sports comedy-drama film directed by Euros Lyn from a screenplay by Neil McKay. The film stars Toni Collette, Damian Lewis, Owen Teale, Joanna Page, Karl Johnson, Steffan Rhodri, Anthony O'Donnell, Nicholas Farrell, and Siân Phillips, and follows the true story of Dream Alliance, a horse that raced in the Welsh Grand National. It had previously been the subject of the documentary, Dark Horse: The Incredible True Story of Dream Alliance.

Dream Horse had its world premiere at the Sundance Film Festival on 24 January 2020 and was released in the United States on 21 May 2021, by Bleecker Street and in the United Kingdom on 4 June 2021, by Warner Bros. Pictures.