A UTI is a urinary tract infection. UTI may also refer to: Uniform Type Identifier, in Apple software Unique Transaction Identifier, in financial trading Ultrasound tongue imaging, in phonetics Companies UTI Asset Management Unit Trust of India, an Indian mutual fund Universal Technical Institute, an American automotive education provider UTI Holdings, a Romanian holding company People Uti Nwachukwu, Nigerian Big Brother Africa contestant Sunday Uti, Nigerian sprinter