CHIS
| Acronym | Definition |
|---|---|
| CHIS | Chiapas (Estado de México) |
| CHIS | California Health Interview Survey (University of California, Los Angeles; Center for Health Policy Research; Los Angeles, CA) |
| CHIS | Channel Islands National Park (US National Park Service) |
| CHIS | Covert Human Intelligence Source (Crown Prosecution Service; UK) |
| CHIS | Consumer Health Information Service (Toronto, Ontario, Canada) |
| CHIS | Community Health Information System |