ISTH
| Acronym | Definition |
|---|---|
| ISTH | International Society on Thrombosis and Haemostasis (Carrboro, North Carolina) |
| ISTH | Interamerican Society for Tropical Horticulture |
| ISTH | Irrua Specialist Teaching Hospital (formerly Otibhor Okhae Teaching Hospital; est. 1993; Irrua, Nigeria) |
| ISTH | International Standards Team Harmonisation |
| ISTH | International School of Theory in the Humanities (Santiago de Compostela, Spain) |
| ISTH | Inter-Spike Time Interval Histograms (auditory nerves) |