The University of New Hampshire (UNH) is a public research university with its main campus in Durham, New Hampshire. It was founded and incorporated in 1866 as a land grant college in Hanover in connection with Dartmouth College. In 1893, UNH moved to Durham.

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The university's Durham campus comprises six colleges. A seventh college, the University of New Hampshire at Manchester, occupies the university's campus in Manchester, the state's largest city. The University of New Hampshire School of Law is in Concord, the state's capital. The university is part of the University System of New Hampshire.

As of 2018, its combined campuses make UNH the largest university system in the state of New Hampshire, with over 15,000 students. The school is designated a land-, sea-, and space-grant institution. Its mascot is a wildcat; the university's colors are white and blue.