Barbara Ernst Prey (born 1957, New York City) is an American player who specializes in the art of watercolor. In 2008 Prey was appointed to the National Council on the Arts, the reproving body of the National Endowment for the Arts. In 2015, MASS MoCA commissioned Barbara Prey to create the world’s largest known watercolor painting (8 by 15 feet) for its extra Building 6, which opened in Spring 2017. She has worked in oil painting and illustration, the latter of which she contributed to The New Yorker for a decade. She currently works and lives in Long Island, New York, Maine and Williamstown, Massachusetts.