| Abbreviation | Definition |
|---|---|
| NCADD | National Council on Alcoholism and Drug Dependence |
| NCADD-GDA | National Council on Alcoholism and Drug Dependence, Greater Detroit Area |
| NCADDI | National Council on Alcoholism and Drug Dependence, Inc. |
| NCADI | National Clearinghouse for Alcohol and Drug Information |
| NCADP | National Coalition to Abolish the Death Penalty |
| NCADV | National Coalition Against Domestic Violence |
| NCAE | National Coalition for Athletics Equity |
| NCAE | National Coalition for Aviation Education |
| NCAI | National Coalition for Adult Immunization |
| NCAI | National Congress of American Indians |
| NCAL | National Center for Assisted Living |
| NCAMP | National Coalition Against the Mis-use of Pesticides |
| NCAN | National Catholic AIDS Network |
| NCATS | National Charitable Air Transportation System |
| NCBC | National Catholic Bioethics Center |
| NCBCP | National Coalition on Black Civic Participation |
| NCBL | National Conference of Black Lawyers |
| NCBP | National Center for Black Philanthropy |
| NCBS | National Council for Black Studies |
| NCBS | New Car Buyer Survey |