Clarbeston Welsh: Treglarbes
Parish Church of St Martin
Clarbeston Location within Pembrokeshire
Population	318
OS grid reference	SN047212
Community	Wiston
Principal area	Pembrokeshire
Preserved county	Dyfed
Country	Wales
Sovereign state	United Kingdom
Post town	CLARBESTON ROAD
Postcode district	SA63
Dialling code	01437
Police	Dyfed-Powys
Fire	Mid and West Wales
Ambulance	Welsh
UK Parliament	Preseli Pembrokeshire
Senedd Cymru – Welsh Parliament	Preseli Pembrokeshire
List of places UK Wales Pembrokeshire 51°51′N 4°50′W / 51.85°N 4.84°W / 51.85; -4.84

Clarbeston (Welsh: Treglarbes) is a village and parish^[1] in Pembrokeshire, Wales, 11 km (6.8 mi) 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 671 ha (1,660 acres). 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).

• Historical information and further sources on GENUKI