| Term | Full Form | Category |
|---|---|---|
| ALCA | Abundant Life Christian Academy | Others |
| ALCA | Active Lane Change Assist | Others |
| ALCA | Active Lateral Collision Avoidance | Others |
| ALCA | Advanced Lane Change Assist | Others |
| ALCA | Advanced Light Combat Aircraft | Others |
| ALCA | Aft Load Control Assembly | Others |
| ALCA | Aging Life Care Association | Others |
| ALCA | Anonima Lombarda Cabotaggio Aereo | Others |
| ALCA | Arizona Landscape | Others |
| ALCA | Aurora Learning Community Association | Others |
| ALCA | Australian Labradoodle Club of America | Others |
| ALCA | Automatic Level Control Assembly | Others |