PHSI
| Acronym | Definition |
|---|---|
| PHSI | Pending Home Sales Index (National Association of Realtors) |
| PHSI | Public Health Sciences Institute (Morehouse College; Atlanta, GA) |
| PHSI | Payload Header Suppression Index (telecommunications) |
| PHSI | Program for Health Systems Improvement (Harvard University; Boston, MA) |
| PHSI | Persatuan Hoki Seluruh Indonesia (Indonesian hockey association) |
| PHSI | Presbyterian Historical Society of Ireland |