| Abbreviation | Definition |
|---|---|
| NAYO | National Association of Youth Organizations |
| NAYO | Native American Youth Organization |
| NAYS | National Alliance Youth Sports |
| NC | Noncommital |
| NCFY | National Clearinghouse on Families and Youth |
| NCFY | National Clearinghouse on Families Youth |
| NCY | National Collaboration for Youth's |
| NCY | New Choices for Youth |
| NCY | New Creation Youth |
| NCYC | National Catholic Youth Choir |
| NCYP | North Connor Youth Project |
| NCYS | National Council of Youth Sports |
| NCYS | Newton County Youth Strings |
| NDYC | Nelson District Youth Centre |
| NDYC | New Democratic Youth of Canada |
| NDYC | Niger Delta Youth Coalition |
| NDYC | Norwich Deaf Youth Club |
| NEDDY | North East Dual Diagnosis Youth |
| NESTY | Neshamah's Experience for Senior Temple Youth |
| NFLXAC | Netflix and Chill |