The 2011–12 RFU Championship was the third season (of the professionalised format) of the second tier of the English domestic rugby union competition, played between August 2011 and May 2012. New teams to the division included Leeds Carnegie who were relegated from the Aviva Premiership 2010-11 and London Scottish who were promoted from 2010–11 National League 1. The first stage was won by Bristol and the final by London Welsh who, after an appeal, won promotion to the Aviva Premiership 2012-13. Esher were relegated to the 2012–13 National League 1.