Zero B is a United Kingdom rave and hardcore group made up of William Borez and Peter Ryding. Peter Ryding is identified as the real name behind the Zero B name, and William Borez is listed as an alias associated with the act.

The group becomes known in the early 1990s through the track “Lock Up”, which is linked with its rise in profile. It is associated with rave, hardcore, breakbeat and old skool hardcore.