Pride Shockwave 2005 was a mixed martial arts event held by the Pride Fighting Championships at the Saitama Super Arena in Saitama, Japan on December 31, 2005. In Japan, the event was called "Otoko Matsuri 2005 – Itadaki" (Itadaki means victory) The event concluded the Pride Lightweight (73 kg, 161 lb) and Welterweight (83 kg, 183 lb) tournaments of 2005. Takanori Gomi won the Lightweight tournament by knocking out Hayato Sakurai. Dan Henderson won the Welterweight tournament by defeating Murilo Bustamante via split decision. Wanderlei Silva retained his Middleweight Champion title by defeating Ricardo Arona via split decision.
Hidehiko Yoshida
Naoya Ogawa
Wanderlei Silva
Ricardo Arona
Mark Hunt
Mirko Filipović
Kazushi Sakuraba
Ikuhisa Minowa
Takanori Gomi
Hayato Sakurai
Dan Henderson
Murilo Bustamante
Fedor Emelianenko
Wagner Da Conceicao Martins
Aleksander Emelianenko
Pawel Nastula
Sanae Kikuta
Makoto Takimoto
James Thompson
Paulo César da Silva
Kazuhiro Nakamura
Yuki Kondo
Charles Bennett
Ken Kaneko