The 2015 Kick Start Energy Ginetta Junior Championship was a multi-event, one make motor racing championship held across England and Scotland. The championship featured a mix of professional motor racing teams and privately funded drivers, aged between 14 and 17, competing in Ginetta G40s that conformed to the technical regulations for the championship. It formed part of the extensive program of support categories built up around the British Touring Car Championship centrepiece. It was the ninth Ginetta Junior Championship, and commenced on 4 April 2015 at Brands Hatch – on the circuit's Indy configuration – and concluded on 11 October 2015 at the same venue, utilising the Grand Prix circuit, after twenty races held at ten meetings, all in support of the 2015 British Touring Car Championship season.