CTAN
| Acronym | Definition |
|---|---|
| CTAN | Comprehensive TeX Archive Network |
| CTAN | Cotangent |
| CTAN | Central Texas Angel Network (business funding) |
| CTAN | Center for Theoretical & Applied Neuroscience (Yale University; New Haven, CT) |
| CTAN | CINCPAC Teletype Automated Net |
| CTAN | Communications, Traffic Management, and Navigation System |
| CTAN | Call to Action, Nebraska (Catholicism; Lincoln, NE) |