Marilyn Cotlow (born January 10, 1924) is an American lyric coloratura soprano best remembered for originating the role of Lucy in Gian Carlo Menotti's The Telephone.
She sang professionally during the 1940s and 1950s in the United States and Europe, performing with such companies as the Metropolitan Opera.
After retiring from the stage, Cotlow taught voice at the Peabody Conservatory and currently teaches privately out of her home.
Several of her students have gone on to have successful careers, including Alessandra Marc and Jennifer Wilson.