USI
USI stands for:
- USI Group Holdings , Swiss real estate company
- Unione Sindacale Italiana , umbrella organization of the Italian syndicalists
- Università della Svizzera italiana , public university in Lugano
- University of Siegen
- University of Southern Indiana , Evansville State University
- Mabaruma Airport , Guyana (IATA code)
USI as a distinguishing mark on license plates:
- Germany: Hochtaunuskreis (for Usingen )
usi stands for:
- Usui (language) (ISO-639-3 code), dialect of Kokborok , Sino-Tibetan language in India and Bangladesh
