The 2011–12 Top League Challenge Series was the 2011–12 edition of the Top League Challenge Series, a second-tier rugby union competition in Japan, in which teams from regionalised leagues competed for promotion to the Top League for the 2012–13 season. The competition was contested from 25 December 2011 to 11 February 2012. Canon Eagles and Kyuden Voltex won promotion to the 2012–13 Top League, while Kubota Spears and Toyota Industries Shuttles progressed to the promotion play-offs.