The 2015 NAB Challenge was the Australian Football League (AFL) pre-season competition that was played before the 2015 home and away season. It featured 27 matches across 25 days, beginning February 26 and ending March 22. It was the second year in a row where the competition did not have a Grand Final or overall winner.

In the Australian Football League (AFL), previously the Victorian Football League (VFL), the pre-season competition, known during its history by a variety of sponsored names and most recently as the NAB Cup, was an annual Australian rules football tournament held amongst clubs prior to the premiership season between 1988 and 2013. The pre-season competition culminated annually in a grand final and pre-season premier.