The Scottish Championship Leagues (known as the RBS Championship Leagues for sponsorship reasons) formed the third tier in the Scottish rugby union system for amateur rugby union clubs in Scotland between 2012 and 2014.

The 20 teams were divided into Championship Leagues A and B along approximate east/west geographical lines.

At the 2013 Scottish Rugby Union AGM, a motion was successfully put forward by Haddington RFC and seconded by Selkirk RFC which called for the leagues to be restructured into three nationalised 12 team leagues below the Premiership.

The winners of both Championship A and B gained promotion at the end of the season to the National League.

The bottom placed team in both Championship A and B were relegated to the appropriate Regional League.