Hazel Thereasa O'Connor is a British singer-songwriter and actress. She became famous in the early 1980s with hit singles "Eighth Day", "D-Days" and "Will You?" She also starred in the 1980 film Breaking Glass.

Breaking Glass is a 1980 British film starring Hazel O'Connor, Phil Daniels and Jonathan Pryce. It was co-produced by Dodi Fayed and written and directed by Brian Gibson, his feature film debut.