STH
STH or sth can refer to:
Abbreviation of something (concept)
STH (gene), a human gene
S.T.H., or Straight To Hell, a gay pornography zine
Saint Helena, Ascension and Tristan da Cunha, UNDP country code
Somatotropin hormone or growth hormone
Secretary for Transport and Housing, of the Government of Hong Kong
Soil-transmitted helminth, a type of parasitic worm
Soil-transmitted helminthiasis, caused by soil-transmitted helminths
Sonic the Hedgehog
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