ITT may refer to:

Communication

Infantry tank telephone, a device allowing infantrymen to speak to the occupants of armoured vehicles.

Mathematics Intuitionistic type theory, other name of Martin-Löf Type Theory Intensional type theory

Business ITT Inc. (formerly International Telephone & Telegraph), US Invitation to tender for a contract ITT Semiconductors

Education ITT Technical Institute, US Former Institute of Technology, Tallaght, Dublin, Ireland Institute of Technology, Tralee, Ireland

Media Cousin Itt, of the fictional Addams Family "I.T.T (International Thief Thief)", a political screed about ITT Corp. by Fela Kuti

Medicine Insulin tolerance test Intention to treat analysis in medicine Intermittent testicular torsion

Sport Individual time trial in bicycle racing

See also

IT (disambiguation) IT2 (disambiguation)

I2T lTT (disambiguation)