2015–16 División de Honor de Waterpolo

Top eight teams at standings when finishing regular season play the championship playoff.

Atlètic-Barceloneta won its eleventh title in a row and sixteenth overall after defeating AstralPool Sabadell in the Championship Final series 2–1.

The División de Honor season took place between October and May, with every team playing each other at home and away for a total of 22 matches.

Points were awarded according to the following: Top eight teams when finishing regular season play championship playoff.

CN Rubí won 23–18 on aggregate and remained in División de Honor 2016–17.