| CTLI | Canine Trypsin Like Immunoreactivity 
| Others |
| CTLI | Cape Teaching and Leadership Institute
| Others |
| CTLI | Cass Truckload Linehaul Index
| Others |
| CTLI | Cationic Trypsin Like Immunoreactivity
| Others |
| CTLI | Center for Teaching Learning and Innovation
| Others |
| CTLI | Centre for Teaching Learning and Innovation
| Others |
| CTLI | Centre for Teaching Learning Innovation
| Others |
| CTLI | Christian Testimony at Long Island
| Others |
| CTLI | Clean Tech Leadership Index
| Others |
| CTLI | Clearance To Land Indicator
| Others |
| CTLI | Combat Training Launch Instrumentation
| Others |
| CTLI | Complete Tennessee Leadership Institute
| Others |