ATTT

AcronymDefinition
ATTTAnd That's the Truth (Internet slang)
ATTTAdvanced Technology Tactical Transport (aircraft; US DoD)
ATTTAssociation of Tourism Teachers and Trainers
ATTTAssociation of Tanzania Tobacco Traders
ATTTAssociazione Ticinese Tennis Tavolo (Italian: Ticino Table Tennis Association; Ticino, Switzerland)
ATTTAmerican Telephone and Telegraph Technologies, Inc.