ACTI
| Acronym | Definition |
|---|---|
| ACTI | Air Combat Tactics Instructor |
| ACTI | Advanced Cleanup Technologies, Inc (Rancho Dominguez, CA) |
| ACTI | Advanced Cell Technology Inc. |
| ACTI | Advanced Computational Technology Initiative |
| ACTI | Advisory Committee on Technology Innovation |
| ACTI | Alfred C. Toepfer International GmbH (Germany) |
| ACTI | Aircrew Coordination Training Instructor |