Liège is a city in Belgium.
Liège or Liege may also refer to:
- Liege, a feudal relationship between lord and vassal; see Homage (feudal)
- Liège (province), a province of Belgium
- Le Liège, a commune in central France
- Liège Island, in the Antarctic
- Prince-Bishopric of Liège, a former state of the Holy Roman Empire in the Low Countries
- Republic of Liège, a short-lived, unrecognized state (1789–1791) centered on Liège, Belgium