The year 2005 was the 9th year in the history of the Pride Fighting Championships, a mixed martial arts promotion based in Japan. 2005 had 10 events beginning with, Pride 29 - Fists of Fire.
The following fighters fought their first Pride FC fight in 2005:
Pride 29: Fists of Fire was an event held on February 20, 2005 at Osaka-jo Hall in Osaka, Japan.
Pride FC: Bushido 6 was an event held on April 3, 2005 at Osaka-jo Hall in Osaka, Japan.
Pride FC: Total Elimination 2005 was an event held on April 23, 2005 at Osaka-jo Hall in Osaka, Japan.
Pride FC: Bushido 7 was an event held on May 22, 2005 at Osaka-jo Hall in Osaka, Japan.
Pride FC: Critical Countdown 2005 was an event held on June 26, 2005 at Osaka-jo Hall in Osaka, Japan.
Pride FC: Bushido 8 was an event held on July 17, 2005 at Nagoya Rainbow Hall in Nagoya, Japan.
Pride FC: Final Conflict 2005 was an event held on August 28, 2005 at Osaka-jo Hall in Osaka, Japan.
Pride FC: Bushido 9 was an event held on September 25, 2005 at Ariake Coliseum in Tokyo, Japan.
Pride 30: Fully Loaded was an event held on October 23, 2005 at Saitama Super Arena in Saitama, Japan.
Pride FC: Shockwave 2005 was an event held on December 31, 2005 at Saitama Super Arena in Saitama, Japan. The event included the finals of the Pride Welterweight and Lightwent tournaments that began at , a rematch between Wanderlei Silva and Ricardo Arona for the Pride Middleweight Championship, and a main event between Olympic judokas Naoya Ogawa and Hidehiko Yoshida.