List of Conservative Party defections to Reform UK

This is a list of defections from the British Conservative Party to Reform UK, including former Cabinet members, sitting Shadow Cabinet members and backbenchers, and former Members of Parliament (MPs). As of January 2026, eleven former Conservative Party cabinet ministers have also defected to Reform UK. All eight of Reform UK's MPs have been a Conservative Party member at some point, as was Rupert Lowe, who was suspended from Reform UK in March 2025 before launching his own rival party, Restore Britain the following year.

Source: Wikipedia — List of Conservative Party defections to Reform UK (CC BY-SA 4.0)