Delyth Non Jewell (born 1988) is a Welsh Plaid Cymru politician.

[3] She graduated from the University of Oxford with a BA in English Language and Literature, and an MA in Celtic Studies.

[4] Jewell spent five and a half years as a researcher and speechwriter for Plaid's Members of Parliament, and took part in new laws against stalking in 2012 and domestic violence in 2015.

[5] She also worked for Citizens Advice and Welsh Water,[5] as well as for the charity ActionAid on matters of women's rights and international development.

[6] Two days before entering the Senedd, she wrote an article for The Independent in which she highlighted the abuse and harassment of female politicians.