ACY
| Acronym | Definition |
|---|---|
| ACY | Advocates for Children and Youth (Maryland) |
| ACY | Atlantic City Rail Terminal (Amtrak station code; Atlantic City, NJ) |
| ACY | Akron, Canton and Youngstown (railroad; 1907-1982; Ohio) |
| ACY | Assets for Colorado Youth (Denver, CO) |
| ACY | Atlantic City /Atlantic Cty, NJ, USA - Atlantic City International (Airport Code) |
| ACY | American Corner Yaffo |
| ACY | Advancing Communities for Youth (Partnership for After School Education; New York, NY) |