Treffgarne (Welsh: Trefgarn, or town of the rock) is a small village and parish in Pembrokeshire, south-west Wales.

The current parish church, dedicated to St Michael, stands in a roughly, rectangular churchyard near the centre of the village.

Inside it are some ornate and colorful stained glass windows originally made in Munich and which were allegedly transported by horse and cart from St Giles' Cathedral in Edinburgh.

[10] It was thought that this was the remains of a Cistercian monastery but is more likely to have been the site of a hospitium serving pilgrims on the road to St David's.

[11] Now bypassed by the modern A40 trunk road from Fishguard to Haverfordwest, the village originally sat on the turnpike that ran between these two towns.