A United Kingdom is a 2016 British biographical romantic drama film directed by Amma Asante and written by Guy Hibbert, based on the true-life romance between Sir Seretse Khama and his wife Ruth Williams Khama. David Oyelowo and Rosamund Pike portray Seretse and Ruth, respectively.
It was screened at the 2016 Toronto International Film Festival, and was the opening film at the 60th London Film Festival, the second year in a row that a British film featured.