Mary Hopkin (gebore op 3 Mei 1950), op sommige opnames bekend as Mary Visconti (vanweë haar huwelik met Tony Visconti) is 'n Walliese sangeres wat veral bekend is om haar enkelsnit treffer uit 1968 getiteld "Those Were the Days". Sy was een van die eerste kunstenaars om aan te sluit by the Beatles se Apple Records plate-etiket. 1969: Postcard 1971: Earth Song, Ocean Song 1972: Those Were The Days (kompilasie met "Those Were The Days" in mono) 1976: The Welsh World of Mary Hopkin (kompilasie-album) 1989: Spirit 1996: Y Caneuon Cynnar (The Early Recordings) (kompilasie-album) 2005: Live at the Royal Festival Hall (lewendige opname) 2007: Valentine 2008: Recollections 2008: Now and Then 2009: Blodeugerdd: Song of the Flowers – An Anthology of Welsh Music and Song (kompilasie-album) 2010: You Look Familiar (met Morgan Visconti) 2013: Painting by Numbers 2018: Those were the days EP (Those were the days;Those were the days; Those were the days; Goodbye). 2020: Another Road 2020: A Christmas Chorale As deel van 'n "band" 1980: Sundance 1984: Oasis 1995: The Crockettes "Mary Hopkin Music".