| Acronym | Definition |
|---|
| ACTT➣Actors College of Theatre and Television (Australia) |
| ACTT➣Aircraft Total Time (aviation) |
| ACTT➣Assertive Community Treatment Teams |
| ACTT➣Association of Cinematograph, Television and Allied Technicians (UK) |
| ACTT➣Accreditation Council of Trinidad and Tobago (Port-of-Spain, Trinidad, WI) |
| ACTT➣Arkansas Cycle Touring and Training |
| ACTT➣Association of Classroom Teacher Testers (Montecito, CA) |
| ACTT➣Advanced Communications Timekeeping Technology |
| ACTT➣Advanced Centers for Technology and Training |
| ACTT➣ASEAN Communication Team for Tourism |
| ACTT➣Affordable Computers and Technology for Tanzania (Moshi, Tanzania) |
| ACTT➣Air and Command Tactical Trainers |
| ACTT➣Association of Cinematography and Television Technicians |