Cerys Elizabeth Matthews, MBE (/ˈkɛrɪs/; born 11 April 1969) is a Welsh singer/songwriter, author and broadcaster, a founding member of Welsh rock band Catatonia.

Matthews programmes and hosts a music show on BBC Radio 6 Music, has made documentaries for television as well as BBC Radio 2 and 4 and has been a presenter for The Culture Show and The One Show. She writes a column for Songlines, and has written for The Guardian, The Times and Grazia, and is author of 'Hook, Line and Singer ' published by Penguin and children's stories Tales From The Deep and Gelert, A Man's Best Friend, (2014).