| Acronym | Definition |
|---|
| CLTT➣Center for Logistics, Trade and Transportation (University of Southern Mississippi; Hattiesburg, MS) |
| CLTT➣Community Land Trust of Tempe (Tempe, AZ) |
| CLTT➣Child Language Teaching and Therapy (Sage Publications) |
| CLTT➣Concrete Laboratory Testing Technician (American Concrete Institute) |
| CLTT➣Club Longueillois de Tennis de Table (French table tennis club) |
| CLTT➣Cloud Top Temperature |
| CLTT➣Cho-Liang Thermal Technology (est. 1989; China) |