TH, Thailand by ISO country code

Th, Thorium, a chemical element

T helper cell in immunology

th, Pronunciation of English th aspects of this digraph in English

th, Thai language by ISO 639 alpha-2

Thursday, a day of the week

Tokio Hotel, a band

ToHeart, a manga

Th1-Th12, thoracic vertebrae, the middle segment of the vertebral column

Transmile Air Services, IATA airline designator

th, Th (digraph), a digraph in orthography in several languages

Th, Thomson (unit) in the field of mass spectrometry

th, Thou (unit of length), a unit of length also known as mil

TH, Technische Hochschule, a term for a Technical University in German-speaking countries

TH, Tyrosine hydroxylase, the rate-limiting enzyme in the conversion of tyrosine to catecholamines

Eth (ð) and Thorn (letter) (þ), transcriptions/representations of the Icelandic sounds/letters