The Ultimate Fighter: Team Nogueira vs. Team Mir is the eighth installment of the Ultimate Fighting Championship (UFC) produced reality television series The Ultimate Fighter, which went into production in late May 2008 and premiered on September 17, 2008 on Spike TV. This season features Light Heavyweight fighters (186–205 lb) and Lightweight fighters (146–155 lb).

UFC interim Heavyweight champion Antônio Rodrigo Nogueira and the #1 Heavyweight contender and former UFC Heavyweight champion Frank Mir served as coaches for the two teams. After the completion of the series, the two met for the UFC Interim Heavyweight title at UFC 92 in December.

*Britt was replaced by Marshall on episode 2 due to injury. On episode 3, both McLaughlin and Grigoryan were injured and then replaced by Delgado and Kingsbury respectively.

The Ultimate Fighter: Team Nogueira vs. Team Mir Finale (also known as The Ultimate Fighter 8 Finale) was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on December 13, 2008.

Featured were the finals from The Ultimate Fighter: Team Nogueira vs Team Mir in both the Lightweight and Light Heavyweight divisions.

Wilson Gouveia officially weighed in at 189 pounds, failing to meet the requirements of the Middleweight weight class. The match was still held, but at a Catchweight with Gouveia forfeiting 20% of his earnings to Jason MacDonald.

The following fighters received $25,000 bonuses.

UFC 92: The Ultimate 2008 was held on December 27, 2008 in Paradise, Nevada.