Champion(Title Reigns): Date Became Champion (Unusual circumstances)
Shinjiro Ohtani: March 20th, 1996 (Originally WCW Cruiserweight Title; Ohtani defeated Wild Pegasus in tournament)
Dean Malenko: May 2nd, 1996
Rey Mysterio, Jr.: July 8th, 1996
Dean Malenko(2nd): October 27th, 1996
Ultimo Dragon: December 29th, 1996
Dean Malenko(3rd): January 21st, 1997
Syxx: February 23rd, 1997
Chris Jericho: June 28th, 1997
Alex Wright: July 28th, 1997
Chris Jericho(2nd): August 12th, 1997
Eddie Guerrero: September 14th, 1997
Rey Mysterio, Jr.(2nd): October 26th, 1997
Eddie Guerrero(2nd): November 10th, 1997
Ultimo Dragon(2nd): December 29th, 1997
Juventud Guerrera: January 8th, 1998
Rey Mysterio, Jr.(3rd): January 15th, 1998
Chris Jericho(3rd): January 24th, 1998
Dean Malenko(4th): May 17th, 1998
Chris Jericho(4th): June 15th, 1998 (won after title was vacated)(title later "won" by Rey Mysterio, Jr, then given back to Jericho due to interference by Dean Malenko)
Juventud Guerrera(2nd): August 8th, 1998
Billy Kidman: September 14th, 1998
Juventud Guerrera(3rd): November 16th, 1998
Billy Kidman(2nd): November 22nd, 1998
Rey Mysterio Jr.(4th): March 15th, 1999
Psicosis: April 19th, 1999
Rey Mysterio Jr.(5th): April 26th, 1999
Lenny Lane: August 19th, 1999
Psicosis(2): October 2nd, 1999
Disco Inferno: October 4th, 1999
Evan Karagias: November 21st, 1999
Madusa: December 19th, 1999
Oklahoma: January 16th, 2000
The Artist Formerly Known As Prince Iaukea: February 20th, 2000 (Oklahoma vacated; the Artist defeated Lash LaRoux in tournament final)
Billy Kidman(3rd): March 30th, 2000
The Artist(2nd): March 31st, 2000
Chris Candido: April 16th, 2000 (belt vacated by Eric Bischoff & Vince Russo; Candido won 6-way match against Iaukea, Juvy Guerrera, Crowbar, Shannon Moore, and Lash LaRoux)
Crowbar & Daffney: May 15th, 2000 (tagged against Chris Candido & Tammy Sytch; Daffney pinned Tammy for the win and the belt)
Daffney: May 22nd, 2000 (Daffney said she should be champ, and fought Crowbar for the belt)
Lt. Loco(Chavo Guerrero Jr): June 6th, 2000 (defeated Daffney and the Disco Inferno in Triangle match)
Lance Storm: July 31st, 2000
Elix Skipper: August 14th, 2000 (given to Skipper by Storm)
Mike Sanders: October 2nd, 2000
Chavo Guerrero Jr(2nd): December 6th, 2000
Shane Helms: March 18th, 2001
Billy Kidman(4th): July 3rd, 2001
X-Pac(2nd, first as Syxx): July 30th, 2001
Billy Kidman(5th): October 9th, 2001
Yoshihiro Tajiri: October 22nd, 2001 (Later becomes WWF Cruiserweight Title)
Billy Kidman(6th): April 2nd, 2002
Yoshihiro Tajiri(2nd): April 21st, 2002
Hurricane Helms(2nd): May 14th, 2002
Jamie Noble: June 23rd, 2002
Billy Kidman(7th): November 17th, 2002
Matt Hardy: February 23rd, 2003
Rey Mysterio Jr(6th): June 3rd, 2003
Yoshihiro Tajiri(3rd): September 23rd, 2003
Rey Mysterio Jr(7th): December 30th, 2003
Chavo Guerrero Jr(3rd): February 15th, 2004
Jacqueline: May 4th, 2004
Chavo Guerrero Jr(4th): May 16th, 2004
Chavo Guerrero Sr: May 18th, 2004 (accidentally pinned son, Chavo Jr, during Three-Way Match)
Rey Mysterio Jr(8th): June 15th, 2004
Spike Dudley: July 27th, 2004
Sho Funaki: December 12th, 2004
Chavo Guerrero(5th): February 20th, 2005 (won Gauntlet Match over Funaki, Paul London, Spike Dudley, Akio, & Shannon Moore)
Paul London: March 29th, 2005 (London won a Cruiserweight Battle Royal, with Chavo Guerrero being the first one eliminated)
Nunzio: August 2nd, 2005
Juventud Guerrera(4th): October 9th, 2005
Nunzio(2nd): November 15th, 2005 (won in Rome, Italy)
Juventud Guerrera(5th): November 22nd, 2005
Kid Kash: December 18th, 2005
Gregory Helms(3rd): January 29th, 2006 (Helms won a "Cruiserweight Open" Match over Kid Kash, Paul London, Jamie Knoble, Funaki, and Nunzio)
Chavo Guerrero(6th): February 18th, 2007 (Guerrero won a "Gauntlet" Match over Gregory Helms, Daivari, Funaki, Scotty Too Hotty, Shannon Moore, Jamie Noble, & Jimmy Wang Yang)
Hornswoggle: July 22nd, 2007 (won "Cruiserweight Open" Match over Chavo Guerrero, Shannon Moore, Jamie Noble, Jimmy Wang Yang, and Funaki; stripped by Interim General Manager Vickie Guerrero, 9/25/2007)