Mordecai Marceli Roshwald (May 26, 1921 – March 19, 2015) was an American academic and writer.
Born in Drohobycz, Ukraine to Jewish parents, Roshwald later emigrated to Israel.
His most famous work is Level 7 (1959), a post-apocalyptic science-fiction novel.
He is also the author of A Small Arrmageddon (1962) and Dreams and Nightmares: Science and Technology in Myth and Fiction (2008).
Roshwald was a "professor emeritus of humanities at the University of Minnesota, and a visiting professor at many universities worldwide."He lived in Silver Spring, Maryland, at the time of his death.