Stagno di Cagliari
General data
- Name: Stagno di Cagliari
- Water system: Tyrrhenian sea
- Water type: Estuary
- Progression: Tyrrhenian sea -> Mediterranean Sea -> Atlantic Ocean -> Planet Earth
- Climates: Subtropical
- Continents: Europe
- Countries: Italy
The Stagno di Santa Gilla, or Stagno di Cagliari (literally ‘Pool of Cagliari’), is a coastal lagoon at the mouths of the rivers Cixerri and Mannu near Cagliari, on the Golfo degli Angeli in southern Sardinia, Italy. It has been designated as a wetland site of international importance under the Ramsar Convention since 1976 and is ranked among the most important of such areas in the European Union.