| Abbreviation | Definition |
|---|---|
| NCBMS | National Conference on Bio Mechanical Science |
| NCBP | National Conference of Bar Presidents |
| NCC | National Collegiate Conference |
| NCC | National Conference on Communications |
| NCC | National Consultative Conference |
| NCC | North Central Conference |
| NCCB | National Computer Conference Board |
| NCCB | National Conference of Catholic Bishops |
| NCCC | National Catholic Collegiate Conference |
| NCCCC | North Central Collegiate Cycling Conference |
| NCCJ | Novel Chiral Chemistries Japan |
| NCCL | National Conference of Catechetical Leadership |
| NCCL | National Conference of Constituency Leaders |
| NCCUSL | National Conference of Commissioners of Uniform State Laws |
| NCDC | National Catholic Development Conference |
| NCDC | National Collegiate Development Conference |
| NCDC | National Collegiate Develpoment Conference |
| NCDM | National Conference of Democratic Mayors |
| NCE | National Confere on Education |
| NCE | National Conference and Exhibition |