LTSO
| Acronym | Definition |
|---|---|
| LTSO | Learning Technology Standards Observatory |
| LTSO | Lung Transplant Support Organization (Chandler, AZ) |
| LTSO | Live Tonight Sold Out (Nirvana video album) |
| LTSO | Lead Transportation Security Officer |
| LTSO | Long Term Standing Offer |
| LTSO | Lone Tree Symphony Orchestra (Lone Tree, CO) |