Pride 15: Raging Rumble was a mixed martial arts event held by the Pride Fighting Championships. It took place at the Saitama Super Arena in Saitama, Japan on July 29, 2001. Future Pride & UFC Heavyweight Champion Antonio Rodrigo Noguiera made his Pride debut at this event.

Valentijn Overeem vs. Assuerio Silva
Silva defeated Overeem by Submission (Heel Hook lock) (2:50 First Round)

Wallid Ismail vs. Shungo Oyama
Ismail defeated Oyama by Submission (Side Choke) (2:30 Second Round)

Daijiro Matsui vs. Ebenezer Fontes Braga
Braga defeated Matsui by Decision (5:00 Third Round)

Masaaki Satake vs. Igor Vovchanchyn
Vovchanchyn defeated Satake by Unanimous Decision (5:00 Third Round)

Heath Herring vs. States Mark Kerr
Herring defeated Kerr by TKO (Knees) (4:56 Second Round)

Gary Goodridge vs. Antonio Rodrigo Nogueira
Nogueira defeated Goodridge by Submission (Triangle Choke) (2:37 First Round)

Quinton Jackson vs. Kazushi Sakuraba
Sakuraba defeated Jackson by Submission (Rear Naked Choke) (5:41 First Round).

Ryan Gracie vs. Tokimitsu Ishizawa
Ishizawa defeated Gracie by TKO (Injury) (4:51 First Round)