Gwalia is an archaic Welsh name for Wales.
Gwalia may also refer to:
- Gwalia, Liverpool, building
- D. Gwalia, musician
- Gwalia Singers (Swansea), male voice choir
- Gwalia, Western Australia, town located in Western Australia's Great Victoria Desert
- Gwalia Gold Mine, gold mine in Western Australia
- Sons of Gwalia, company
Gwalia is also the name of a Hymn Tune found at no 197 in the Hymnbook "Y Caniedydd" Published 1972 by GwasgJohn Penry, Abertawe. Link here - https://www.youtube.com/watch?v=sIRCBOvsT4Yhttps://www.youtube.com/watch?v=sIRCBOvsT4Y