USE or U.S.E. may refer to: United States of Europe, hypothetical scenario of a single sovereign country in Europe United State of Electronica, an American rock band U.S.E. (album), by United State of Electronica Uganda Securities Exchange, the principal stock exchange in Uganda USE Method, a systems performance methodology by Brendan Gregg Union State of Eurasia, an intergovernmental organisation in Europe and Asia Unified State Exam, a series of university entrance exams in Russia See also Use (disambiguation)