| Acronym | Definition |
|---|
| CALT | Centre for Advanced Learning Technologies (France) |
| CALT | Computer Assisted Language Testing (various organizations) |
| CALT | Certificate of Ancestral Land Titles (Philippines) |
| CALT | Canadian Association of Law Teachers (Canada) |
| CALT | Certified Academic Language Therapist (dyslexia) |
| CALT | California Towhee (bird species) |
| CALT | Committee for the Advancement of Learning and Teaching |
| CALT | Civil Affairs Liaison Team |
| CALT | Conjunctival-Associated Lymphoid Tissue |
| CALT | Clearance Altitude |
| CALT | Control Altitude |
| CALT | Calibrated Accelerated Life Testing |
| CALT | Contract Administration Lead Time |