HCYS
| Acronym | Definition |
|---|---|
| HCYS | Halton Child and Youth Services (Burlington, Ontario, Canada) |
| HCYS | Henry County Youth Soccer (Indiana) |
| HCYS | Henderson County Youth Softball (Etowah, NC) |
| HCYS | Huerfano County Youth Services (Walsensburg, CO) |
| HCYS | How Can You Sleep |