Dartmouth College (/ˈdɑːrtməθ/ DART-muth) is a private Ivy League research university in Hanover, New Hampshire, United States. Established in 1769 by Eleazar Wheelock, it is the oldest institution of higher education in New Hampshire, the ninth-oldest institution of higher education in the United States and one of the nine colonial colleges chartered before the American Revolution, seven of which belong to the Ivy League.Although founded to educate young Native Americans in Christian theology and liberal arts, Dartmouth primarily trained Congregationalist ministers during its early history before it gradually secularized, emerging at the turn of the 20th century from relative obscurity to national prominence.

Following a liberal arts curriculum, the university provides undergraduate instruction in 40 academic departments and interdisciplinary programs, including 57 majors in the humanities, social sciences, natural sciences, and engineering, and enables students to design specialized concentrations or engage in dual degree programs.Dartmouth comprises five constituent schools: the original undergraduate college, the Geisel School of Medicine, the Thayer School of Engineering, the Tuck School of Business, and the Guarini School of Graduate and Advanced Studies.The university also has affiliations with the Dartmouth–Hitchcock Medical Center, the Rockefeller Institute for Public Policy, and the Hopkins Center for the Arts. With a student enrollment of about 6,600, Dartmouth is the smallest university in the Ivy League. Undergraduate admissions are highly selective with an admissions rate of 6.17% for the class of 2025.

Situated on a terrace above the Connecticut River, Dartmouth's 269-acre (109 ha) main campus is in the rural Upper Valley region of New England.The university functions on a quarter system, operating year-round on four ten-week academic terms.Dartmouth is known for its undergraduate focus, strong Greek culture, and wide array of enduring campus traditions.Its 34 varsity sports teams compete intercollegiately in the Ivy League conference of the NCAA Division I.