Sterling Memorial Library (SML) is the main library building of the Yale University Library system in New Haven, Connecticut, United States. Opened in 1931, the library was designed by James Gamble Rogers as the centerpiece of Yale's Gothic Revival campus. The library's tower has sixteen levels of bookstacks containing over 4 million volumes. Several special collections—including the university's Manuscripts & Archives—are also housed in the building. It connects via tunnel to the underground Bass Library, which holds an additional 150,000 volumes.

The Yale University Library is the library system of Yale University in New Haven, Connecticut. Originating in 1701 with the gift of several dozen books to a new “Collegiate School," the library's collection now contains approximately 14.9 million volumes housed in fifteen university buildings and is the third-largest academic library system in North America and the second-largest housed on a singular campus.