| Country: | Wales |
| Static Image Name: | Rough pasture near Pantseiri, Betws Ifan - geograph.org.uk - 997347.jpg |
| Static Image Caption: | Glynarthen in 2008 |
| Constituency Welsh Assembly: | Ceredigion |
| Coordinates: | 52.1091°N -4.462°W |
| Official Name: | Glynarthen |
| Unitary Wales: | Ceredigion |
| Lieutenancy Wales: | Dyfed |
| Constituency Westminster: | Ceredigion Preseli |
| Post Town: | Llandysul |
| Postcode District: | SA44 |
| Postcode Area: | SA |
| Os Grid Reference: | SN315485 |
Glynarthen is a small village located in Ceredigion, Wales. It is part of the community of Penbryn, along with the neighbouring villages of Brynhoffnant, Sarnau and Tan-y-groes.
Ysgol Glynarthen School was a primary school situated in the village. It was built in 1901 and closed in 2012, with its pupils then attending Ysgol T Llew Jones School in nearby Brynhoffnant.
The school's unison party won their category in the Urdd Gobaith Cymru Eisteddfod in the Cardiff Millennium Centre in May 2009.
There is a mother chapel in the village which hosts the annual Easter Cymanfa. There is also an active Sunday school.