| Abbreviation | Definition |
|---|---|
| NAB | New American Bible |
| NAB | North American Baptist |
| NAB | The New American Bishops |
| NABV | New Age Bible Version |
| NAC | New Anglian Confederation |
| NAC | New Apostolic Church |
| NAC | Not A Cult |
| NAC | Nurturing Abilities For Christ |
| NACA | National Association Of Christian Athletes |
| NACA | North Allegheny Christian Association |
| NACC | National Association of Catholic Corps |
| NACC | North American Christian Convention |
| NACCC | National Association of Congregational Christian Churches |
| NACCP | North American Conference on Christian Philanthropy |
| NACF | Native American Christian Fellowship |
| NACM | National Association of Christian Ministers |
| NACR | National Association for Christian Recovery |
| NAE | National Association of Evangelicals |
| NAELM | New Abundant and Everlasting Life Ministries |
| NAFIS | North American Foundation of Islamic Services |