Brenda Irene Chamberlain (17 March 1912 – 11 July 1971) was a Welsh artist, poet and novelist. She also wrote a memoir of 15 years spent living on Bardsey Island. She won the first two Gold Medals awarded by the National Eisteddfod of Wales in the Fine Art category, for her paintings Girl with a Siamese Cat (1951) and The Cristin Children (1953). An expatriate on the island of Hydra, Greece, from 1961 to 1967, she then returned to Wales, where she died in 1971. Her papers are preserved by the National Library of Wales; examples of her artworks are found in several collections.