TBU

TBU may refer to:

• Vought TBU Sea Wolf, a U.S. World War II torpedo bomber
• [[Fuaʻamotu International Airport|FuaTemplate:Okinaamotu International Airport]] (IATA airport code) in Tonga
• Telephone balance unit, device to convert unbalanced to balanced audio signals
• Tirana Business University a university in Albania
• Tokushima Bunri University, in Tokushima, Japan
• Tomas Bata University in Zlín, Czech Republic