UGT

UGT may mean:

• União Geral de Trabalhadores, the General Union of Workers (Portugal)
• Unión General de Trabajadores, the General Workers' Union (Argentina)
• Unión General de Trabajadores, the General Union of Workers of Spain.
• Uridinediphosphate-glucuronosyltransferase, a class of enzymes including UGT2B7, UGT1, and UGT1A1.
• Universal Greeting Time, an Internet Relay Chat convention whereby a person who joins a conversation is greeted "Good morning" and a person who leaves is bidden "Good night", regardless of the time zones of participants.