IHSS
| Acronym | Definition |
|---|---|
| IHSS | In-Home Supportive Services (California Department of Social Services) |
| IHSS | Idiopathic Hypertrophic Subaortic Stenosis (cardiology) |
| IHSS | Integrated Humanitarian Settlement Strategy (Australia) |
| IHSS | Institute of Humanities and Social Sciences (various locations) |
| IHSS | In Home Support Staff (healthcare) |
| IHSS | Integrated Healthcare Systems Simulation |