Jay Williams (born in September 1973 in London) is a British song writer and performer. He is most recognised for his work on the Eurovision song "Love City Groove".

Jay signed to his first label Warner Music at the age of sixteen and was responsible for various 'one hit wonders' with a variety of bands/artists as diverse as RPM and The Runaways on Mo Wax, DarkMan, All Saints, Ant and Dec and the "Mr Blobby" charity single. Jay retired from music in 1997.