HKT may refer to:
- Hong Kong Time, the time zone in Hong Kong, UTC +8 all year round
- Hong Kong Telecom, a telecom company in Hong Kong that merged with PCCW
- Phuket International Airport (IATA airport code: HKT), Phuket, Thailand's international airport
- German Eastern Marches Society (operating from 1894 to 1934), nicknamed The Hakata Society after its founders (von Hansemann, Kennemann and von Tiedemann), a German organization advocating the Germanisation of Prussian territory under Germany's control
- Höckmayr KFZ-Technik, German car manufacturer of Lotus 7 clone using Audi turbo engines
- HKT48, a Japanese idol group based in Fukuoka, Japan