| Acronym | Definition |
|---|
| LTTA | Learning Through the Arts |
| LTTA | Long-Term Trend Analysis |
| LTTA | Learning, Teaching, Training Activities |
| LTTA | Long-Term Trade Agreement |
| LTTA | Land Transfer Tax Affidavit (Canada) |
| LTTA | Loosely Time-Triggered Architectures |
| LTTA | Licensed Trade Training Academy (UK) |
| LTTA | Long-Term Technical Assistance |
| LTTA | Land Transfer Tax Act (Canada) |
| LTTA | Lincolnshire Table Tennis Association (UK) |
| LTTA | Long Term Thermal Aging |
| LTTA | Leadership Talks Technology Academy |
| LTTA | Lawrenceville Tourism and Trade Association (Lawrenceville, GA) |
| LTTA | Lakeland Table Tennis Association (Auburndale, Florida) |
| LTTA | Lutsen-Tofte Tourism Association (Minnesota) |
| LTTA | Long Term Technical Advisors |
| LTTA | Low Temperature Thermal Aeration Process |
| LTTA | Liberation Tigers of Tamil Australia |
| LTTA | Lips Together and Teeth Apart |