| Acronym | Definition |
|---|
| CYI➣Cape York Institute (Australia; indigenous policy reform) |
| CYI➣Certified Yoga Instructor |
| CYI➣Council for Yukon Indians (est. 1973; Canada) |
| CYI➣Chinatown Youth Initiatives |
| CYI➣China Yuchai International Ltd. (est. 1993; Singapore) |
| CYI➣Can You Imagine |
| CYI➣Children and Youth Initiative (various locations) |