| Abbreviation | Definition |
|---|---|
| NCE | National Conference of Executives |
| NCEE | National Conference on Earthquake Engineering |
| NCER | National Conference on Ecosystem Restoration |
| NCEW | National Conference of Editorial Writers |
| NCFC | Northern California Football Conference |
| NCFM | Nordic Conference on Forensic Medicine |
| NCFS | National Conference on Financial Services |
| NCHC | National Collegiate Hockey Conference |
| NCHWPPTA | National Conference on Health, Welfare, and Pensions Plans Trustees and Administrators |
| NCIMS | National Conference on Interstate Milk Shipments |
| NCIST | National Conference on Information Science and Technology |
| NCLC | National Chinese Language Conference |
| NCLC | National Chiropractic Leadership Conference |
| NCLC | National College Leadership Conference |
| NCLC | National Collegiate Leadership Conference |
| NCLO | National Conference for the Libyan Opposition |
| NCLR | National Conference of Law Reviews |
| NCLS | National Conference of Lawyers and Scientists |
| NCLS | National Conference of Lawyers Scientists |
| NCMR | National Conference for Media Reform |