Lois Duncan
- Born
- 28 April 1934 (82 years old)
- Passed away
- 15 June 2016
- Place of birth
- Philadelphia, Pennsylvania, USA
- Gender
- Female
Lois Duncan (1934–2016) was an American novelist, poet and journalist, best known for her novels of suspense for teenagers, such as "I Know What You Did Last Summer."
