HACI
| Acronym | Definition |
|---|---|
| HACI | Hope for African Children Initiative |
| HACI | Honda Aircraft Company, Inc. (Greensboro, NC) |
| HACI | Honda Automotive Club Indonesia (Jakarta, Indonesia) |
| HACI | Hill's Annual Canoe Invitational (Pennsylvania) |
| HACI | Halogenated Activated Carbon Injection (mercury emissions) |