Carnegie Mellon University (CMU) is a private research university in Pittsburgh, Pennsylvania, United States. The institution was established in 1900 by Andrew Carnegie as the Carnegie Technical Schools. In 1912, it became the Carnegie Institute of Technology and began granting four-year degrees. In 1967, it became Carnegie Mellon University through its merger with the Mellon Institute of Industrial Research, founded in 1913 by Andrew Mellon and Richard B. Mellon and formerly a part of the University of Pittsburgh.

The university consists of seven colleges, including the College of Engineering, the School of Computer Science, the Dietrich College of Humanities and Social Sciences, and the Tepper School of Business. The university has its main campus located five miles (eight kilometers) from downtown Pittsburgh. It also has over a dozen degree-granting locations on six continents, including campuses in Qatar, Silicon Valley, and Kigali, Rwanda (Carnegie Mellon University Africa) and partnerships with universities nationally and globally. In 2022, Carnegie Mellon enrolled 15,818 students across its multiple campuses from 117 countries and employed more than 1,400 faculty members. Carnegie Mellon is a member of the Association of American Universities and is classified among "R1: Doctoral Universities – Very high research activity".

Carnegie Mellon competes in NCAA Division III athletics as a founding member of the University Athletic Association. Carnegie Mellon fields eight men's teams and nine women's teams as the Tartans. The university's faculty and alumni include 21 Nobel Prize laureates and 13 Turing Award winners and have received 142 Emmy Awards, 64 Tony Awards, and 13 Academy Awards.