The National University of Singapore (NUS) is the national research university of Singapore. Founded in 1905 as the Straits Settlements and Federated Malay States Government Medical School, NUS is the oldest higher education institution in Singapore. According to a number of surveys, it is consistently ranked within the top 20 universities in the world and is considered to be the best university in the Asia-Pacific by the QS ranking. NUS is a comprehensive research university, offering a wide range of disciplines, including the sciences, medicine and dentistry, design and environment, law, arts and social sciences, engineering, business, computing and music at both the undergraduate and postgraduate levels.

NUS's main campus is located in the southwestern part of Singapore, adjacent to Kent Ridge, accommodating an area of 150 ha (0.58 sq mi); the Duke-NUS Medical School, a postgraduate medical school jointly established with Duke University, is located at the Outram campus; its Bukit Timah campus houses the Faculty of Law and Lee Kuan Yew School of Public Policy; the Yale-NUS College, a liberal arts college established in collaboration with Yale University, is located at University Town (commonly known as UTown). NUS has one Nobel laureate, Konstantin Novoselov, as a professor among its faculty.