Cyffylliog (also Y Gyffylliog in Welsh) is a village and community in Denbighshire, Wales.
It is situated to the west of Ruthin on the banks of the River Clywedog.
The community covers an area of 31.59 km² and includes the hamlet of Bontuchel and a section of Clocaenog Forest.
It had a population of 495 at the time of the 2011 census, a slight increase from 484 during the 2001 census.
The name of the village means "place of pollard trees/stumps" and comes from the Welsh word cyffyll meaning stumps.

The village has a small, bilingual primary school, Ysgol Cyffylliog, which had 25 pupils in 2011.
Cyffylliog (also Y Gyffylliog in Welsh) is a village and community in Denbighshire, Wales. It is situated to the west of Ruthin on the banks of the River Clywedog. The community covers an area of 31.59 km² and includes the hamlet of Bontuchel and a section of Clocaenog Forest. It had a population of 495 at the time of the 2011 census, a slight increase from 484 during the 2001 census. The name of the village means "place of pollard trees/stumps" and comes from the Welsh word cyffyll meaning stumps.
The village has a small, bilingual primary school, Ysgol Cyffylliog, which had 25 pupils in 2011.
Cyffylliog