| Abbreviation | Definition |
|---|---|
| NAHCON | National Hajj Commission Of Nigeria |
| NAIITS | North American Institute for Indigenous Theological Studies |
| NAIN | North American Interfaith Network |
| NALC | North American Lutheran Church |
| NALS | North American Lutheran Seminary |
| NAMB | North American Mission Board |
| NAMI | Noah's Ark Ministries International |
| NAO | North American Outreach |
| NAPAD | North American Pacific/Asian Disciples |
| NARA | North American Regional Association |
| NARAWACC | North American Regional Association of World Association for Christian Communication |
| NASB | New American Standard Bible |
| NAZ | Nazarene |
| NBA | New Blessings Available |
| NBBI | Norris Baptist Bible Institute |
| NBBS | Norris Bible Baptist Seminary |
| NBC | Neighborhood Bible Church |
| NBC | Northshore Baptist Church |
| NBCA | National Baptist Convention of America |
| NBCA | New Beginnings Christian Academy |