Found 5 full forms for ISTR
| Term | Full Form | Category |
|---|---|---|
| ISTR | I Seem To Remember 
| Others |
| ISTR | Indian Summer Trophy Races
| Others |
| ISTR | Institute for Science Training and Research
| Others |
| ISTR | Internet Security Threat Report
| Others |
| ISTR | Isuzu Trooper
| Others |