Abt or ABT may refer to:
- Abt (surname)
- Al-Baha Domestic Airport, Al Baha, Saudi Arabia
- Abt rack system, Swiss rack systems for hauling trains up steep inclines
- 9423 Abt, a main-belt asteroid
- Abelam language, a Sepik language of Papua New Guinea
- Analytical base table, a database table used for data analytics
- Availability-based tariff for electrical power in India
- Automatic ball trap, in clay pigeon shooting
