The following is a list of estuaries of Wales. Wales's many estuaries are generally named for the principal river which enters the sea through them. Those indicated thus * are listed at this reference.
Afan estuary*
Alaw estuary*
Artro estuary*
Cefni estuary*
Conwy estuary
Daugleddau estuary
Dee estuary*
Dwyryd estuary (known as Traeth Bach) Dyfi estuary* Dysynni estuary* Ebbw estuary Foryd Bay* (estuary of the Gwyrfai and Carrog rivers) Glaslyn estuary or Traeth Bach* Gwendraeth estuary Lavan Sands (not strictly an estuary but included in the NCC list of estuaries) Loughor estuary* (a.k.a. Burry Inlet) Mawddach estuary Neath estuary Nyfer (or Nevern) estuary* Ogmore estuary* Pwllheli Harbour* (estuary of the rivers Erch and Rhyd-hir) Rhymney estuary Severn Estuary* Taf estuary Tawe estuary Teifi estuary* Thaw estuary Traeth-coch Traeth Dulas Traeth melynog* Tywi estuary Usk estuary Wye estuary