Marcy Dermansky (born 1969) is an American author and editor. Her debut novel Twins was published in 2005 by William Morrow. Bad Marie, her second novel, was published in 2010 by Harper Perennial. Her third novel The Red Car was published by Liveright in 2016. The book was named a Best Book of the Year by Buzzfeed, The San Francisco Chronicle, Flavorwire, and The Huffington Post. It was a New York Times Editors Choice Pick. Her fourth novel Very Nice, published by Knopf, was released on July 2, 2019.