| Acronym | Definition |
|---|
| LTSR➣Long-Term Structured Residence |
| LTSR➣London Tilbury and Southend Railway (UK) |
| LTSR➣Looney Tunes Space Race (Dreamcast game) |
| LTSR➣Long-Term Safety Review |
| LTSR➣Lone Tree Scout Reservation |
| LTSR➣LongTerm Science Review |
| LTSR➣Lost Time Severity Rate |
| LTSR➣Learning Technology Support Review team |
| LTSR➣Lake Temagami Site Region |
| LTSR➣Laughing Till Snot Runs |
| LTSR➣Let a Thousand Stones Roll |
| LTSR➣Long-Term Swap Rate |
| LTSR➣Linear Transformation Shift Register |