List of parliamentary constituencies in Dyfed

[1][n 1] Dyfed is one of the eight preserved counties of Wales, consisting of the principal areas of Pembrokeshire, Carmarthenshire and Ceredigion.

For Senedd elections, constituencies are grouped into additional member electoral regions.

Conservative † Labour ‡ Plaid Cymru ₪ The Boundary Commission for Wales submitted their final proposals in respect of the Sixth Periodic Review of Westminster Constituencies (the 2018 review) in September 2018.

Although the proposals were immediately laid before Parliament they were not brought forward by the Government for approval.

On 24 March 2020, the Minister of State for the Cabinet Office, Chloe Smith, issued a written statement to Parliament setting out the Government's thinking with regard to parliamentary boundaries.