UG
- Entrepreneurial company (Germany)
- Gravitational potential energy
- MG (disambiguation)
- Sevenair
- Siemens NX
- U of G (disambiguation)
- U. G. Krishnamurti
- UGS (disambiguation)
- Ug (book)
- Uganda
- Ugh (disambiguation)
- Ultimate Guitar Archive
- Undergraduate
- Unidade Galega
- Universal Genève
- Universal grammar
- University of Galway
- University of Gdańsk
- University of Georgia
- University of Ghana
- University of Ghent
- University of Graz
- University of Greifswald
- University of Groningen
- University of Guadalajara
- University of Guam
- University of Guanajuato
- University of Guelph
- University of Guyana
- User guide
- Utility graph
- Uyghur language