Sean Mason

 (born December 1975/76) is a convicted sex offender.

In 2017, he groomed and arranged to meet what he thought was a 15-year-old girl called Katie. Mason arranged to meet the fictitous girl on 21 December 2017, but backed out. On Christmas Eve several days later, he was confronted by Dark Justice at a social club.

As a result of his actions, Mason received a two-year community order, including 30 days or rehabilitation work. In addition to this, he was ordered to pay an £85 victim surcharge, and was also made subject to a Sexual Harm Prevention Order banning him from possessing computers. Mason was sentenced by Recorder Jeremy Barnett.