| Acronym | Definition |
|---|
| BACI➣Basic Access Control Interface |
| BACI➣Before–after Control-Impact (experimental designs in environmental science) |
| BACI➣Burnaby Association for Community Inclusion (Burnaby, BC, Canada) |
| BACI➣Banc of America Capital Investors |
| BACI➣Bell Atlantic Communications, Inc. (now Verizon Long Distance) |
| BACI➣Brazilian-American Cultural Institute |
| BACI➣Bovine Anti-Cryptosporidium (immunoglobulin) |
| BACI➣Bangladesh Association of Construction Industry |
| BACI➣Brazilian-American Cultural Association |
| BACI➣Business Management, Agency, Comparables & Investments (UK) |