Loyal Heart is a 1946 British drama film directed by Oswald Mitchell and starring Percy Marmont, Harry Welchman and Patricia Marmont. The film portrays rivalry in the sheep farming community. It was made by the independent company British National Films as a supporting feature. Location filming took place in Cumberland during summer 1944 but it was a further year before the studio-shot scenes were completed. The film's sets were designed by the art director Wilfred Arnold. It was released on a double bill with the Hollywood costume film The Strange Woman.