Lois Duncan
writer
- Gender: Female
- Birthday: 1934-04-28
- Day of Death: 2016-06-15 ( 82 years old )
- Place of Birth: Philadelphia, Pennsylvania, USA
- Also Known As: Lois Duncan Steinmetz / Lois Arquette
- IMDB:nm0242028
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.”