The 2005 Sacrifice was a professional wrestling pay-per-view (PPV) event produced by the Total Nonstop Action Wrestling (TNA) promotion that took place on August 14, 2005 at the TNA Impact! Zone in Orlando, Florida. It was the first show of the Sacrifice series and eighth event in the 2005 TNA PPV schedule. Nine professional wrestling matches and one pre-show match were featured on the card.

The main event was a Tag Team match between the team of Jeff Jarrett and Rhino facing the team of Raven and Sabu, in which if Jarrett pinned Raven he would earn a future NWA World Heavyweight Championship match. If Raven pinned Jarrett in the contest, then Jarrett would not receive a championship match for an entire year. Jarrett and Rhino won the match, with Rhino scoring the pin. The Finals of the 2005 TNA Super X Cup Tournament took place at Sacrifice between A.J. Styles and Samoa Joe. Joe defeated Styles in the encounter, thus becoming number-one contender to the TNA X Division Championship and winning the 2005 Super X Cup trophy. Also on the card was Jerry Lynn versus Sean Waltman, which Lynn won. B.G. James was Special Guest Referee for a Tag Team match between the team of Kip James and Monty Brown and the 3Live Kru (Konnan and Ron Killings), which the latter won. TNA also promoted an Internet Dream match for the show that involved an internet poll to decide who would face then-TNA X Division Champion Christopher Daniels. Austin Aries was the chosen opponent; Daniels defeated him at the event.

Sacrifice is remembered for the Finals of the 2005 TNA Super X Cup Tournament. Corey David Lacroix of the professional wrestling section of the Canadian Online Explorer posted a review of the gathering, stating he felt "there was not a single bad match" on the card.

In October 2017, with the launch of the Global Wrestling Network, the event became available to stream on demand.