| Acronym | Definition |
|---|
| ISTP➣Integer Store and Pop |
| ISTP➣International Solar Terrestrial Physics (platform) |
| ISTP➣Index to Scientific & Technical Proceedings |
| ISTP➣Institut Supérieur des Techniques de la Performance (French: Higher Institute of Technical Performance; engineering school) |
| ISTP➣International Symposium on Transport Phenomena |
| ISTP➣Institute for Sustainability and Technology Policy |
| ISTP➣In-Service Training Programme (Bamenda, Cameroon) |
| ISTP➣International Solar-Terrestrial Program |
| ISTP➣Institute of Solar-Terrestrial Physics (Russia) |
| ISTP➣Introverted Sensing Thinking Perceiving (Myers-Briggs personality type indicator) |
| ISTP➣Internet Signaling Transport Protocol |
| ISTP➣Instituto Superior de Transportes (Portugal) |
| ISTP➣I See The Problem |
| ISTP➣Integrated System Test Plan |