HOAS
| Acronym | Definition |
|---|---|
| HOAS | Higher Order Abstract Syntax (computer science) |
| HOAS | Helsingin Seudun Opiskelija-Asuntosäätiö (Finnish: Foundation for Student Housing in the Helsinki Region) |
| HOAS | Hyogo Prefectural Organic Agriculture Society (Japan) |
| HOAS | Hold On A Second |
| HOAS | Horn of Africa Services (est. 1992; Seattle, WA) |
| HOAS | Home Owner Association Services (various locations) |
| HOAS | Human Osteoarthritic Synovial Fibroblasts |