Stephen John Bury is an English art historian and the Andrew W. Mellon Chief Librarian of the Frick Art Reference Library in New York City. He is known for his scholarship on artists' books, although his research interests also include the literature of art, the impact of the digital on the future of humanities, and the use of the past in the project of modernism.

The Frick Art Reference Library is the research arm of the Frick Collection. It is typically located at 10 East 71st Street on the Upper East Side of Manhattan in New York City. As of 2021, the library's reference services have temporarily relocated to 945 Madison Avenue.