THB

THB can be

Tanah Abang station
Tetrahydrobiopterin, a chemical
Tetrahydrocorticosterone, a hormone

Three Horses Beer of Madagascar
Toronto, Hamilton and Buffalo Railway reporting mark
IATA code of Thaba Tseka Airport, an airport for Thaba-Tseka in Lesotho
ThB, Bachelor of Theology degree
Thai baht, the currency of Thailand (ISO 4217 code: THB)
THBS, an idea about having the Thai government make a stablecoin, a kind of digital currency