Ceredigion Penfro(Welshfor'Ceredigion[and]Pembroke'; ⓘ) is a six-member constituency of the Senedd (Welsh Parliament; Welsh:Senedd Cymru) used in the 2026 Senedd election. It covers the counties Ceredigion and Pembrokeshire in West Wales.

It was proposed following the 2026 review of Senedd constituencies, and is a pairing of the two UK Parliament constituencies of Ceredigion Preseli and Mid and South Pembrokeshire. Like all constituencies resulting from the 2026 review, it has a Welsh-only name.

Boundaries

A Senedd constituency comprising the boundaries of the UK Parliament constituencies of Ceredigion Preseli and Mid and South Pembrokeshire, has been proposed by the Democracy and Boundary Commission Cymru for the 2026 election to the Senedd (Welsh Parliament; Senedd Cymru). It was initially proposed using the English name Ceredigion and Pembrokeshire in September 2024, but was renamed Ceredigion Penfro in December proposals with most constituencies using Welsh-only names. The Welsh-only name and boundaries were confirmed in the commission's final recommendations in March 2025. When announcing their candidates, Reform UK used "Ceredigion Preseli, Mid and South Pembrokeshire" instead, using the English names for the pair of UK Parliament constituencies that form it.

It encompasses the entire principal areas (counties) of Ceredigion and Pembrokeshire in West Wales. The constituency was established in 2026, following the passing of the Senedd Cymru (Members and Elections) Act 2024. The act legislates electoral reform of the Senedd to create 16 larger "super constituencies", pairing the 32 UK Parliament constituencies in Wales, and using a new fully proportional voting system, with each constituency electing six Members of the Senedd (MSs) rather than one previously.

Members of the Senedd

TermElectionDistributionMSMSMSMSMSMS
7th20263 1 2Elin Jones (PC)Claire Archibald (Ref)Kerry Ferguson (PC)Paul Davies (Con)Paul Marr (Ref)Anna Nicholl (PC)
312

Elections

Elections in the 2020s

2026 Senedd election: Ceredigion Penfro
PartyCandidateVotes%±%
Plaid CymruElin Jones (E) Kerry Ferguson (E) Anna Nicholl (E) Cris Tomos Colin Nosworthy Clive Davies Owain Jones Matt Adams31,94335.8+8.9
ReformClaire Archibald (E) Paul Marr (E) Michael Allen Elisa Randall Peter John Bernard Holton23,00325.8+24.6
ConservativePaul Davies (E) Samuel Kurtz Claire George Brian Murphy Gill Evans Claire Jones14,78916.6−11.8
LabourEluned Morgan Marc Tierney Joshua Phillips Margaret Greenaway Tansaim Hussain-Gul Luke Davies-Jones Peter Huw Jenkins6,4957.3−19.6
GreenAmy Nicholass Tomass Jerminovics James Purchase Morgan Phillips Rosie O'Toole Kezia Hine6,3247.1+2.2
Liberal DemocratsSandra Jervis Alistair Cameron Tom Hughes Lee Herring Andrew Lye Maggie Robinson4,6135.2+0.3
GwladGwyn Wigley Evans8020.9+0.5
HeritageElizabeth Davies4420.5New
IndependentAaron Carey3680.4N/A
IndependentGeorge Chadzy2860.3N/A
IndependentPaul Dowson880.1N/A
Majority8,940
Turnout89,15356+4.2
Registered electors159,063
Plaid Cymru win (new seat)
Plaid Cymru win (new seat)
Plaid Cymru win (new seat)
Reform win (new seat)
Reform win (new seat)
Conservative win (new seat)
2021 notional result
PartyVote%Seats
Plaid Cymru27,00433.32
Conservative23,76129.32
Labour20,35025.12
Liberal Democrats4,9056.10
Reform UK2,2652.80
Green1,3561.70
UKIP5820.70
Independent5140.60
Freedom Alliance3050.40

Notes