Louis Dearborn L'Amour (/ˈli ləˈmʊər/; born Louis Dearborn LaMoore; March 22, 1908 – June 10, 1988) was an American novelist and short-story writer. He wrote mostly Western novels, which he called "frontier stories". He also also wrote historical fiction (The Walking Drum), science fiction (Haunted Mesa), non-fiction (Frontier), and poetry and short-story collections. He received the Golden Plate Award of the American Academy of Achievement in 1979.

After his death, his wife Katie and his children Beau and Angelique continued using the surnamer "L'Amour".