Encyclopedias, Almanacs, Transcripts, and Maps
- Nathan, Venguessone
- Nathans, Daniel
- Nathansen, Henri
- Nathanson, Bernhard
- Nathanson, Joseph Saul
- Nathanson, Mendel Levin
- National Apostolate for Inclusion Ministry (NAFIM)
- National Association of Evangelicals
- National Association of Pastoral Musicians
- National Black Sisters' Conference
- National Catholic Coalition for Responsible Investment
- National Catholic Conference for Interracial Justice (NCCIJ)
- National Catholic Development Conference
- National Catholic Educational Association (NCEA)
- National Catholic Pharmacists Guild of the U.S.
- National Catholic Student Coalition (NCSC)
- National Conference for Community and Justice (NCCJ)
- National Conference of Catechetical Leadership
- National Conference on Soviet Jewry
- National Council of Catholic Men (NCCM)