| Carmarthen East and Dinefwr Dwyrain Caerfyrddin a Dinefwr | |
|---|---|
| Senedd county constituency for the Senedd | |
&sq=Qlik&lang=&file=File:Carmarthen_East_and_Dinefwr_(Assembly_constituency).svg) | |
&sq=Qlik&lang=&file=File:Mid_and_West_Wales_(National_Assembly_for_Wales_electoral_region).svg) Carmarthen East and Dinefwr shown within the Mid and West Wales electoral region and the region shown within Wales | |
| Current Senedd county constituency | |
| Created | 1999 |
| Party | Plaid Cymru |
| MS | Adam Price |
| Preserved county | Dyfed |
Carmarthen East and Dinefwr (Welsh: Dwyrain Caerfyrddin a Dinefwr) is a constituency of the Senedd. It elects one Member of the Senedd by the first past the post method of election. It is one of eight constituencies in the Mid and West Wales electoral region, which elects four additional members, in addition to eight constituency members, to produce a degree of proportional representation for the region as a whole.
It had been held since its formation in 1999 by the Plaid Cymru politician, Rhodri Glyn Thomas until his retirement in 2016. It is now held by Plaid Cymru politician Adam Price, who became leader of the party in 2018.