- N. L. (Neal) Gault, Jr. Papers (2)
- Nancy Hauser Dance Company and School Records (6)
- Narratives by Formerly Enslaved Peoples Collection (23)
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- National Federation of Settlements and Neighborhood Centers Records (95)
- National Guild of Community Music Schools Records (2)
- National Recreation Association Records (32)
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- National Sustainable Agriculture Oral History Project (40)
- New York City YMCA Building and Property Records (3)
- New York YMCA Annual Reports (226)
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- New York YMCA Program and Event Records (25)
- New York YMCA Reports, Studies and Surveys (7)
- Newton Horace Winchell Papers (28)
- Norman E. Borlaug Papers (757)
- Norman W. Moen Papers (3)
- Northeastern Minnesota COVID-19 Community Archive Project (UMD) (294)