Pride 17: Championship Chaos was a mixed martial arts event held by the Pride Fighting Championships. It took place at the Tokyo Dome in Tokyo, Japan on November 3, 2001. This event also saw the crowning of the first Pride FC Heavyweight and Middleweight champions.
- Gracie defeated Ohara by Unanimous Decision (5:00 Third Round)
- Jackson defeated Ishikawa by KO (1:52 First Round)
- Henderson defeated Rua by Split Decision (5:00 Third Round)
- Schilt defeated Satake by TKO (Strikes) (2:18 First Round)
- Sperry defeated Vovchanchyn by Submission (Arm-Triangle Choke) (2:52 First Round)
- Erikson defeated Skelton by Submission (Front Strangle Choke) (1:51 First Round)
- This fight was declared a draw (3:00 Fifth Round). This fight was fought under special PRIDE vs. K-1 Rules, 5 rounds of 3 minutes
- Nogueira defeated Herring by Unanimous Decision (5:00 Third Round) to become the first Pride FC Heavyweight champion.
- Silva defeated Sakuraba by TKO (Doctor Stoppage) (10:00 First Round) to become the first Pride FC Middleweight champion. Sakuraba suffered a broken collar bone after being slammed by Silva.