List of Famous people born in Carmarthen, United Kingdom

Iwan Rheon is a Welsh actor, singer, narrator, and musician. He is known for his portrayals of Simon Bellamy in E4's Misfits and Ramsay Bolton in HBO's Game of Thrones, as well as playing Mick Mars in the 2019 movie The Dirt based on Mötley Crüe. He has also appeared in Vicious, Riviera and Inhumans.

Jamie Lewis is a Welsh professional darts player.

Helen Margaret Lederer is an English comedian, writer and actress who emerged as part of the alternative comedy boom at the beginning of the 1980s. Among her television credits are the BBC Two sketch series Naked Video and BBC One's Absolutely Fabulous, in which she played the role of Catriona.

David Evans is an Australian singer. He briefly sang for the hard rock band AC/DC in 1973–1974, appearing on their debut single before being replaced by Bon Scott. Evans then went on to join the band Rabbit who were active into the early 1980s. He resumed a solo career shortly after the year 2000.

David Malcolm Nott is a Welsh consultant surgeon who works mainly in London hospitals as a general and vascular surgeon, but also volunteers to work in disaster and war zones. Having recognised that training others could greatly increase his capacity to help, Nott established the David Nott Foundation, along with his wife Elly, to organise training in emergency surgery for others working in war and disaster zones. He has been honoured for this dangerous work and is now often styled the "Indiana Jones of surgery".

Rhodri Paul Gilbert is a Welsh comedian and television & radio presenter who was nominated in 2005 for the Perrier Best Newcomer Award. In 2008 he was nominated for the main comedy award.

Lewis Bayly was a bishop of the Church of England.

Joseph Michael Allen is a Welsh professional footballer who plays as a midfielder for Championship club Stoke City and the Welsh national team.

Dafydd Elis-Thomas, Baron Elis-Thomas is a Welsh politician, representing the Dwyfor Meirionnydd constituency in the Senedd. Born in Carmarthen, Wales, he was raised in Ceredigion and the Conwy Valley. He represented Merioneth, then Meirionnydd Nant Conwy constituencies as a Member of Parliament from 1974 to 1992 and was the Llywydd of the Senedd from its inception in 1999 to 2011. He is a member of the House of Lords, a former leader of Plaid Cymru, and, since 2004, a privy counsellor. On 14 October 2016 he left the party in order to support the Welsh Government and now sits as an independent in the Senedd. In November 2017, he joined the Welsh Government. He is the Deputy Minister for Culture, Sport and Tourism.

David John Denzil Davies was a British Labour politician. He served for 35 years as the Member of Parliament (MP) for Llanelli from 1970 to 2005, and was a member of the Privy Council.