TBU

TBU may refer to:


 * Vought TBU Sea Wolf, a U.S. World War II torpedo bomber
 * Fuaamotu 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