Carmarthen Town North was an electoral ward, representing part of the community of Carmarthen, Carmarthenshire, Wales.

In 2014, the Carmarthen Town North electoral ward had an electorate of 3,984.^[1] The total population was 5,151, of whom 77.1% were born in Wales. The 2011 census indicated that 37.4% of the population were able to speak Welsh.^[1]

Carmarthen Town North was an electoral ward since the 1937. It was previously known as Carmarthen Town No.1 Ward. It became a two-member electoral ward for the purposes of elections to Carmarthenshire County Council. The corresponding North ward elects seven members to Carmarthen Town Council.

From 1973 until 1996 it was a single-member ward for the purposes of elections to Dyfed County Council and a four-member ward for elections to Carmarthen District Council.

From 1937 until 1973 it was a single-member ward for the purposes of elections to the previous Carmarthenshire County Council.

Following a boundary review by the Local Democracy and Boundary Commission for Wales, Carmarthen Town North was merged with Carmarthen Town South to be called Carmarthen Town North and South, effective from the May 2022 local elections. The new ward saw an overall reduction in councillors from four to three.^[2]