| 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) |