
Alice Abadam was a Welsh suffragette, feminist and public speaker.

Rachel Barrett was a Welsh suffragette and newspaper editor born in Carmarthen. After attending the University College of Wales in Aberystwyth she became a science teacher, but in 1906 quit her job on hearing Nellie Martel speak of women's suffrage. She became a member of the Women's Social and Political Union (WSPU) and moved to London. In 1907 she became a WSPU organiser, and after Christabel Pankhurst fled to Paris, Barrett became joint organiser of the national WSPU campaign. In 1912, despite no journalistic background, she took charge of the new newspaper The Suffragette. Barrett was arrested on some occasions for activities linked to the suffrage movement, and in 1913–1914 she spent some time incognito to avoid re-arrest.

Leonora Brito was a writer from Cardiff, Wales.

Pamela Rosalind Grace Coddington, known as Grace Coddington, is a Welsh former model and former creative director at large of American Vogue magazine. Coddington is known for the creation of large, complex and dramatic photoshoots. A Guardian profile wrote that she "has produced some of fashion's most memorable imagery. Her pictures might be jolly and decadent or moody and mysterious."

Ruth Fowler is a British-born Los Angeles and London based author, photographer, playwright screenwriter and journalist, who first came to media attention after writing several articles for The Village Voice as "Mimi".

Claire Regina Fox, Baroness Fox of Buckley is a British writer and politician who served as Member of the European Parliament (MEP) for the North West England constituency from 2019 to 2020. She is the director and founder of the Institute of Ideas think tank.

Siân Gibson is a Welsh stand-up comic, actor, impressionist and writer. She has collaborated with Peter Kay, including starring in and co-writing the comedy series Peter Kay's Car Share, for which she won the 2016 BAFTA TV Award for Best Scripted Comedy and the National Television Award for Best Comedy.

Isabella Gifford (1825–1891) was a Welsh-born botanist. In 1848, she published The Marine Botanist, a book which focuses on algology. Some of her specimens are in the Ulster Museum.

Mary Dilys Glynne was a British plant pathologist and mountaineer. She was the first plant pathologist at Rothamsted Experimental Station, particularly interested in soil-based fungal diseases including potato wart, eyespot in wheat and take-all. She discovered a method for identifying varieties of crop resistant to these fungal diseases and also prove that methods such as crop rotation only perpetuated the problem. Her research led to increased yields in agriculture, which was of particular note during World War II, and was appointed an OBE for her services to agriculture. Glynne was also a passionate mountaineer, climbing a number of famous Alpine peaks. She was the second person, the first woman, to climb Mount Spencer in New Zealand.

Ann Griffiths was a Welsh poet and writer of Methodist Christian hymns in the Welsh language. Her poetry reflects fervent evangelical Christian faith and thorough scriptural knowledge.

Bethan Gwanas is a popular contemporary Welsh author, who publishes almost exclusively in the Welsh language. A prolific writer, she has had 17 titles published in the last decade. Whilst not just a fiction writer, she has written novels for teenagers and Welsh learners, though most of her recent work has been for adults.

Gwerful Fychan was a poet during the period of the Welsh Beirdd yr Uchelwyr during the late Middle Ages. She came from a noble family, her full name in genealogies being given as Gwerful ferch Ieuan Fychan ap Ieuan ap Hywel y Gadair ap Gruffudd ap Madog ap Rhirid Flaidd, and was the heiress of the mansion of Caer-Gai, near Llanuwchllyn, Merioneth. The name Fychan was later anglicised as Vaughan.

Elisabeth Inglis-Jones (1900–1994) was a Welsh novelist and biographer. In 1929, she published Starved Fields, the first of six historical novels. She was also an important writer of local history and biography. Her novel Crumbling Pageant was republished in 2015.

Alice Gray Jones was a Welsh writer and editor, known by the pseudonym "Ceridwen Peris". She was an active temperance campaigner, and a co-founder of the North Wales Women's Temperance Union.

Janet Eiluned Lewis was a Welsh novelist, poet, and journalist.

Gwyneth Lewis is a Welsh poet, who was the inaugural National Poet of Wales in 2005. She wrote the text that appears over the Wales Millennium Centre.

Ruth Herbert Lewis was an English social reformer of Manx descent and collector of Welsh folk songs.

Moelona was the pen-name of Elizabeth (Lizzie) Mary Jones, a Welsh novelist and translator who wrote novels for children and other works in Welsh.

Elaine Morgan OBE, FRSL, was a Welsh writer for television and the author of several books on evolutionary anthropology, especially the aquatic ape hypothesis which she advocated as a corrective to what she saw as theories which purveyed gendered stereotypes and thus failed to adequately take account of women's role in human evolution. The Descent of Woman, published in 1972, became an international bestseller translated into ten languages. In 2016, she was named one of "the 50 greatest Welsh men and women of all time" in a press survey.

Eluned Morgan, was a Welsh-language author from Patagonia.

Gwenllian Elizabeth Fanny Morgan was the first woman in Wales to hold the office of Mayor. She was also an antiquary and published books about her area of study. Morgan served as superintendent of Petitions and Treaties, World's Woman's Christian Temperance Union ; was a member of the Executive Committee of the National British Women's Temperance Association; and was the president of the Brecon Branch. She was a white ribbon worker for eleven years and took a deep interest in the work. Morgan organized the Polyglot Petition work in Great Britain and Ireland and filled the position of British Secretary for the World's W. C. T. U. Apart from this, she was in full sympathy with, and was long connected with active work for women generally, of political and suffrage lines.

Minnie Pallister was a writer, teacher, and Labour organiser in Wales, associated with the Independent Labour Party.

Mary Catherine Pendrill Llewelyn, née Mary Catherine Rhys was a Welsh writer and translator.

Jessie Penn-Lewis was a Welsh evangelical speaker and the author of a number of Christian evangelical works. Her religious work took her to Russia, Scandinavia, Canada, the United States and India.

Francesca Rhydderch is a Welsh novelist and academic. In 2013, her debut novel, The Rice Paper Diaries, was longlisted for the Authors’ Club Best First Novel Award and won the Wales Book of the Year Award 2014 for Fiction. Her short stories have been published in anthologies and magazines and broadcast on Radio 4 and Radio Wales.

Hester Lynch Thrale was a Welsh-born diarist, author, and patron of the arts. Her diaries and correspondence are an important source of information about Samuel Johnson and 18th-century English life.

Carol Jean Vorderman, MBE is a British media personality, best known for co-hosting the game show Countdown for 26 years from 1982 until 2008, as a newspaper columnist and nominal author of educational and diet books, and hosting the annual Pride of Britain awards.

Jane Williams was a Welsh writer, often known by her bardic name of Ysgafell. She is sometimes confused with her contemporary, Maria Jane Williams.