The 2010–11 Top League Challenge Series was the 2010–11 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 2011–12 season.
Honda Heat and NTT DoCoMo Red Hurricanes won promotion to the 2011–12 Top League, while Canon Eagles and Kyuden Voltex progressed to the promotion play-offs.
The top two teams in Challenge 1 won automatic promotion to the 2011–12 Top League, while the third and fourth-placed teams qualified to the promotion play-offs.
The final standings for the 2010 Top West League were:[1] The final standings for the 2010 Top East League were:[2] The final standings for the 2010 Top Kyūshū League were:[3] The final standings for the 2010–11 Top League Challenge 1 were:[4] The following matches were played in the 2010–11 Top League Challenge 1:[4]
The final standings for the 2010–11 Top League Challenge 2 were:[4] The following matches were played in the 2010–11 Top League Challenge 2:[4]