Cenarth (Welsh pronunciation^ⓘ) is an electoral ward, representing the communities of Newcastle Emlyn and Cenarth, Carmarthenshire, Wales. It is strangely named Cenarth, rather than Newcastle Emlyn as Newcastle Emlyn has the larger population. A similar ward for local elections prior to 1987 was named Newcastle Emlyn.

In 2014, the Cenarth electoral ward had an electorate of xx.^[1] The total population was xx, of whom very few were born in Wales. Few of the population were able to speak Welsh.^[1]

The Cenarth Ward is a single-member ward for the purposes of Carmarthenshire County Council elections. Since 2012 it has been represented by Plaid Cymru councillor Hazel Evans.

The first election to the new unitary Carmarthenshire County Council took place in 1995. An Independent candidate was returned unopposed.

In 1999 the seat was captured by Plaid Cymru.

In 2004 the sitting Plaid Cymru councillor contested the neighbouring Llangeler Ward and Cenarth was won by an Independent. The sitting Plaid Cymru councillor, John Crossley, chose to contest Llangeler and the party did not field a candidate, leading to the loss of the seat to the Independents.

In 2008, the seat was held by the sitting member.

By the 2012 Haydn Jones had died and the seat was won at a by-election by Plaid Cymru. Plaid held the seat at the following election by a large majority. Hazel Evans had captured the seat in a by-election following the death of the previous Independent member, Haydn Jones.

• "Cenarth Ward: Electoral Division Profile" (PDF). Archived from the original (PDF) on 30 August 2012. Retrieved 25 September 2014.