The eighth season of the American reality talent show The Voice premiered on February 23, 2015, on NBC. Adam Levine, Blake Shelton, & Pharrell Williams returned as coaches. Christina Aguilera returned for her fifth season as coach after a two-season absence, replacing Gwen Stefani. Carson Daly returned as host for the eighth season.

The Voice is an American singing reality competition television series that premiered on NBC on April 26, 2011. Based on the original The Voice of Holland and part of the Voice franchise, it has aired 24 seasons and aims to find unsigned singing talent contested by aspiring singers drawn from public auditions. Singers must be at least 13 years of age to compete.