Don't Look Behind You is a 1989 young adult thriller novel by Lois Duncan. It won a number of regional awards and was adapted into a television film in 1999.

Lois Duncan Steinmetz, known as Lois Duncan, was an American writer, novelist, poet, and journalist. She is best known for her young-adult novels, and has been credited by historians as a pioneering figure in the development of young-adult fiction, particularly in the genres of horror, thriller, and suspense.