Louis D. Lighton (November 25, 1895 – February 1, 1963) was an American screenwriter and producer. He wrote for 40 films between 1920 and 1927. He also produced 30 films between 1928 and 1951. He was born in Omaha, Nebraska and died in Palma de Mallorca, Spain. He was married to fellow screenwriter Hope Loring.