Cruiserweight
| Number | Champion | Reign |
|---|---|---|
| 1 | Carlos De León (Awarded title by The Ring) | February 3, 1984 - June 6, 1985 |
| 2 | Alfonzo Ratliff | June 6, 1985 - September 21, 1985 |
| 3 | Bernard Benton | September 21, 1985 - March 22, 1986 |
| 4 | Carlos De León | March 22, 1986 - March 30, 1987 (The Ring stopped recognizing weight class) |
| 5 | Jean-Marc Mormeck (Defeated Wayne Braithwaite) | April 2, 2005 - January 7, 2006 |
| 6 | O'Neil Bell | January 7, 2006 - March 17, 2007 |
| 7 | Jean-Marc Mormeck | March 17, 2007 - November 10, 2007 |
| 8 | David Haye | November 10, 2007 - May 23, 2008 (Moved up to Heavyweight) |
| 9 | Tomasz Adamek (Defeated Steve Cunningham) | December 11, 2008 - February 20, 2010 (Moved up to Heavyweight) |
| 10 | Yoan Pablo Hernandez (Defeated Steve Cunningham) | February 4, 2012 - Present |
Read more about this topic: List Of The Ring World Champions