STH
STH can be an abbreviation for:
- Somatropin , somatotropic hormone
- State-independent Theological University of Basel in Riehen
- Notchback , a body shape used in cars
- Southeast (cycling team) , an Italian UCI cycling team
- St. Helena, Ascension and Tristan da Cunha , UNDP code
STH as a distinguishing mark on license plates:
- Germany: District of Schaumburg-Lippe (expiring)
