The 2015 Hawaii Rainbow Warriors football team represented the University of Hawaiʻi at Mānoa in the 2015 NCAA Division I FBS football season.

The team was led by head coach Norm Chow, who was fired after week 10 and replaced by Chris Naeole on an interim basis.

[1] They played their home games at Aloha Stadium.

They finished the season 3–10, 0–8 in Mountain West play to finish in last place in the West Division.

On November 27, 2015, Nick Rolovich was hired as the new head football coach at the University of Hawaii replacing Norm Chow.