Barry Blue (born Barry Ian Green, 4 December 1950) is an English singer, producer, and songwriter. As an artist, he is best known for his hit songs "Dancin' (on a Saturday Night)" and "Do You Wanna Dance" (both 1973).
Blue has also been a prolific songwriter and producer for many artists, and has had over forty worldwide hits, including Andrea Bocelli, Diana Ross, Celine Dion, The Saturdays, The Wanted, and Pixie Lott. In film and television, Blue has provided soundtracks and/or themes for productions including Eyes of Laura Mars, Long Good Friday, and Escape to Athena.