David H. Levy (born 1948) is a Canadian astronomer and science writer most famous for his co-discovery in 1993 of Comet Shoemaker-Levy 9, which collided with the planet Jupiter in 1994.

Levy was born in Montreal, Quebec, Canada, on May 22, 1948. He developed an interest in astronomy at an early age. However, he pursued and received bachelor’s and master’s degrees in English literature.

Levy has discovered 22 comets, either independently or with Gene and Carolyn S. Shoemaker. He has written over 30 books, mostly on astronomical subjects, such as The Quest for Comets and his tribute to Gene Shoemaker in Shoemaker by Levy. Also, he has provided periodic articles for the magazines Sky and Telescope and Parade Magazine.