Meinir Elin Gwilym is a Welsh-language pop and folk singer. Raised in Llangristiolus, Anglesey, she released her first EP, "Smôcs, Coffi a Fodca Rhad" in 2002. She is amongst the best-selling Welsh language musicians in history.

Gwilym worked as a radio presenter on the afternoon request show for Radio Cymru, the BBC's Welsh-language service, alongside Dylan Wyn. She now works on S4C's nightly magazine show Wedi 7, and presents weekend shows on Heart Cymru in Anglesey and Gwynedd.