2014–15 Top League Challenge Series
| 2014–15 Top League Challenge Series | |
|---|---|
| Countries | Japan |
| Date | 7 December 2014 – 25 January 2015 |
| Champions | Honda Heat (1st title) |
| Runners-up | Mitsubishi Sagamihara DynaBoars |
| Promoted | Honda Heat |
| Matches played | 9 |
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. The competition was contested from 7 December 2014 to 25 January 2015.
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.