| Acronym | Definition |
|---|
| ATTIC | All the Tea in China |
| ATTIC | Alternative Treatment Technology Information Center (US EPA National Risk Management Research Laboratory) |
| ATTIC | Association of Trinidad and Tobago Insurance Companies |
| ATTIC | All That Tour in Corea (Korean travel agency) |
| ATTIC | Awareness of Teaching and Teaching Improvement Center (Temple University, College of Liberal Arts) |
| ATTIC | Archived Term That Isn't Certified (Acronym Attic) |
| ATTIC | Assistive Technology, Training and Information Center, Inc. (Vincennes, Indiana) |
| ATTIC | All Teens Together in Christ |
| ATTIC | Army Test and Training Instrumentation Conference (US Army) |
| ATTIC | Advising, Tutoring, Testing/Disabilities, International Student Center (Southern Polytechnic State University; Georgia) |
| ATTIC | All Things Through and In Christ |