The 2015–16 European Rugby Champions Cup-Challenge Cup play-off was the second play-off for entry into the top level competition of European Club rugby union, the European Rugby Champions Cup.
El European Rugby Champions–Challenge Cup play-offs de 2015-2016 fou la segona edició d'aquest sistema de classificació per a la Copa d'Europa de rugbi a 15. (ca)
The 2015–16 European Rugby Champions Cup-Challenge Cup play-off was the second play-off for entry into the top level competition of European Club rugby union, the European Rugby Champions Cup. (en)