| Official Name: | Clarbeston |
| Welsh Name: | Treglarbes |
| Static Image: | Church of St Martin of Tours - geograph.org.uk - 469401.jpg |
| Static Image Caption: | Parish Church of St Martin |
| Coordinates: | 51.85°N -4.84°W |
| Population: | 318 |
| Os Grid Reference: | SN047212 |
| Community Wales: | Wiston |
| Unitary Wales: | Pembrokeshire |
| Lieutenancy Wales: | Dyfed |
| Country: | Wales |
| Post Town: | CLARBESTON ROAD |
| Postcode Area: | SA |
| Postcode District: | SA63 |
| Dial Code: | 01437 |
| Constituency Westminster: | Preseli Pembrokeshire |
| Constituency Welsh Assembly: | Preseli Pembrokeshire |
Clarbeston (Welsh: Treglarbes) is a village and parish[1] in Pembrokeshire, Wales, 11km (07miles) east of Haverfordwest. The parish, together with Wiston and Walton East, constitute the community of Wiston. The population was 318 at the 2011 census.[2]
The English placename means "Clarenbald's farm", Clarenbald being a continental Germanic (perhaps Flemish) personal name.[3] The Welsh placename is a translation of the English.
Clarbeston Road railway station and the surrounding settlement and post town of Clarbeston Road lie to the west of the village.
The parish is close to, or on, the Pembrokeshire language frontier and has always had a somewhat fluctuating proportion of Welsh speakers.
The parish had an area of 671ha. Its census populations were: 180 (1801), 178 (1851), 158 (1901), 114 (1951), 71 (1981)
The percentage of Welsh speakers was 41 (1891), 44 (1931), 27 (1971).