Clywedog

Clywedog may refer to:

• Afon Clywedog, a tributary of the River Severn at Llanidloes
• River Clywedog, a tributary of River Dee near Wrexham
• A tributary of the Afon Wnion in Gwynedd
• Clywedog Reservoir, a reservoir in Powys
• River Clywedog, Denbigh, a tributary of the River Clwyd
• Clywedog Brook, Powys, a tributary of the Wye.