Footnotes:
^[1]: This was a tournament final match to determine the first ever WCW Light Heavyweight champion.
^[2]: Armstrong vacated the title at the Clash of the Champions 20 on 9/2/1992 because of a knee injury. A tournament was scheduled to begin, but never happened and the title was dropped when Eric Bischoff took over WCW in March 1993.
^[3]: This was a tournament final match to crown the first ever WCW World Cruiserweight champion.
^[4]: Since Malenko could no longer challenge for the WCW World Cruiserweight title, he won a battle royal under Cicople’s mask to get a shot at Jericho and his title. Because of the way he won the title, Malenko was stripped of the belt on the 6/11/98 Thunder.
^[5]: This was a match to determine a champion. Jericho won by disqualification, which still counts as a title win for him.
^[6]: Dean Malenko served as the special guest referee in this match.
^[7]: This was a four-way match which also included Juventud Guerrera and Blitzkrieg.
^[8]: Lane was stripped of the belt because of his homosexual gimmick that made TBS uncomfortable.
^[9]: Disco Inferno and Psychosis wrestled to crown a new WCW World Cruiserweight champion.
^[10]: Oklahoma was forced to vacate the belt because he exceeded the weight limit requirements.
^[11]: This was a tournament final.
^[12]: Once the Russo/Bischoff era started on 4/10/2000, all the titles were made vacant as they reset the company.
^[13]: Candido won a six-way match which also included The Artist, Juventud Guerrera, Shannon Moore, Lash Leroux and Crowbar.
^[14]: Crowbar and Daffney defeated Candido & Tammy Lynn Sytch in a mixed tag match to become co-champions.
^[15]: Daffney defeated Crowbar to become the undisputed champion.
^[16]: This was a triple-threat match which also included Disco Inferno.
^[17]: Since Lance Storm was already the WCW U.S. champion and the WCW Hardcore champion, he awarded the WCW World Cruiserweight title to fellow Team Canada partner Elix Skipper.
^[18]: Sanders and Kevin Nash defeated Elix Skipper in a handicap powerbomb match to win the belt.
^[19]: With X-Pac’s WCW World Cruiserweight title win, this unified the belts with the WWF Light Heavyweight title.
^[20]: With the demise of the Alliance at the Survivor Series PPV on 11/18/01, the title becomes known as the WWF Cruiserweight title.

Credit goes to: PWI Almanac, wrestling-titles.com, and ProWrestlingHistory.com