| Abbreviation | Definition |
|---|---|
| DAYS | Depression and Anxiety in Youth Scale |
| DAYUM | Detroit Area Youth Uniting Michigan |
| DCFY | Dare County Friends of Youth |
| DCFY | Deaf Christian Fellowship Youth |
| DCY | Department of Culture and Youth |
| DCY | Diocesan Commission on Youth |
| DCYBA | Developmentally Challenged Youth Basketball Association (British Columbia) |
| DCYF | Department of Children, Youth & Families |
| DCYL | Democratic Congress Youth League |
| DCYS | Del Campo Youth Soccer |
| DCYS | Donna Coffee Youth Scholarship |
| DDY | Defining Diabetes in Youth |
| DEETYA | Department of Education Employment Training and Youth Affairs |
| DEFY | Development Education for Youth |
| DEFY | Drug Education for Youth |
| DEWY | Day Evening Weekend for Youth |
| DFOY | Directions For Our Youth |
| DFTS | don't feel the same |
| DFYM | Discipleship Focused Youth Ministry |
| DFYS | Department of Family and Youth Services |