The 2015–16 Green Bay Phoenix men's basketball team represented the University of Wisconsin–Green Bay in the 2015–16 NCAA Division I men's basketball season.

Their head coach in his first year was Linc Darner.

The Phoenix played their home games at the Resch Center and were members of the Horizon League.

They defeated Cleveland State, Milwaukee, Valparaiso, and Wright State to become champions of the Horizon League tournament.

They received the conference's automatic bid to the NCAA tournament where they lost in the first round to Texas A&M.