William Van Duzer Lawrence (1842–1927) was an American millionaire real-estate and pharmaceutical mogul who is best known for having founded Sarah Lawrence College in 1926 and Lawrence Hospital in 1909. He played a critical role in the development of the community of Bronxville, New York, an affluent suburb of New York City defined by magnificent homes and charming garden apartments in a country-like setting. His name is attached to the Lawrence Park Historic District and real estate brokerage Houlihan Lawrence. Lawrence is buried at the Kensico Cemetery in Valhalla, New York.