| Acronym | Definition |
|---|
| CATL➣CTIA (Cellular Telecommunications and Internet Association) Authorized Testing Laboratory |
| CATL➣Chronology and Time Line (US FEMA) |
| CATL➣Centre for the Advancement of Teaching and Learning |
| CATL➣Cattlemen Advocating through Litigation (est. 1995; fund) |
| CATL➣California Association of Texas Longhorn Breeders |
| CATL➣Conversations About the Light (band) |