The 2012 Ginetta GT Supercup is a multi-event, one make GT motor racing championship held across England and Scotland. The championship features a mix of professional racing teams and privately funded drivers, competing in Ginetta G55 or Ginetta G50 cars that conform to the technical regulations. It forms part of the extensive program of support categories built around the BTCC centrepiece.
This season marks the second Ginetta GT Supercup, having rebranded from the Ginetta G50 Cup, which ran from 2008 to 2010.