| Acronym | Definition |
|---|
| CHSI➣Comcast High Speed Internet |
| CHSI➣Collection of Historical Scientific Instruments (Department of the History of Science; Harvard University; Cambridge, MA) |
| CHSI➣Centre for Health & Safety Innovation (Canada) |
| CHSI➣Community Health Status Indicator (US DHHS) |
| CHSI➣Center for Health Statistics and Information (China) |
| CHSI➣Cumulative Heat Strain Index (heat stress research) |