The 2014–15 Top League Challenge Series was the 2014–15 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 2015–16 season.
Honda Heat won promotion to the 2015–16 Top League, while Kamaishi Seawaves, Kyuden Voltex and Mitsubishi Sagamihara DynaBoars progressed to the promotion play-offs.
The top team in Challenge 1 won automatic promotion to the 2015–16 Top League, while the other three teams qualified to the promotion play-offs.
The final standings for the 2014 Top West League were:[1] The final standings for the 2014 Top East League were:[2] The final standings for the 2014 Top Kyūshū League were:[3] The final standings for the 2014–15 Top League Challenge 1 were:[4] The following matches were played in the 2014–15 Top League Challenge 1:[4]
The final standings for the 2014–15 Top League Challenge 2 were:[4] The following matches were played in the 2014–15 Top League Challenge 2:[4]