William Polk Carey was an American philanthropist and businessman. He was the founder of W. P. Carey & Co., a corporate real estate financing firm headquartered in New York City, and donated the funds to establish the Carey Business School at Johns Hopkins University, the University of Maryland Francis King Carey School of Law and the W. P. Carey School of Business at Arizona State University.

The Johns Hopkins Carey Business School is the graduate business school of Johns Hopkins University, a private research university in Baltimore, Maryland. It was established in 2007 and offers full-time and part-time programs leading to the Master of Business Administration (MBA) and Master of Science (MS) degrees.