Louisa Horton (20 September 1920 – 25 Januarie 2008) was 'n Amerikaanse aktrise. Sy was bekend vir haar rolle in die rolprente All My Sons (1948) en Alice Sweet Alice (1976), en in die televisiereeks Lights Out (1946). 1948: All My Sons 1976: Alice Sweet Alice 1946: Lights Out 1948: Stage Door 1961: A String of Beads 1972: Lights Out Louisa Horton in die Internet-rolprentdatabasis