The National Humanities Institute is a nonprofit interdisciplinary educational organization founded in 1984.

It publishes Humanitas (journal)[1][2] and the Epistulae Occasional Papers.

[3] The National Humanities Institute operates the Irving Babbitt Project[4][5] and the Center for Constitutional Studies.

[7] Robert F. Ellsworth and Anthony Harrigan serve on its board of trustees.

[7] Among its academic board are George W. Carey, Jude P. Dougherty, David C. Jordan, Ralph Ketcham, Forrest McDonald, Walter A. McDougall, Jacob Neusner, James Seaton, Peter J. Stanlis,[8] and Michael A.