| No. | Champion | Reign | Date | Days held | Location | Event | Notes | Ref. | 
|---|
| 1 | Casas, NegroNegro Casas | 1 | 000000001987-01-01-00001987 | 7002470000000000000♠470 ![Note 2] | 0 ![Note 3] | Live event |  |  | 
| 2 | Tornado Negro | 1 | 000000001989-04-14-0000April 14, 1989 | 5000000000000000000♠0 | Tijuana, Mexico | Live event |  |  | 
| 3 | Negro Casas | 2 | 000000001989-04-14-0000April 14, 1989 | 7000100000000000000♠1 ![Note 4] | Apatlaco, Morelos, Mexico | Live event |  |  | 
| 4 | Fuerza Guerrera | 01 !1 | 0 ![Note 5] | 1 ![Note 6] | 0 ![Note 3] | Live event |  |  | 
| 5 | Blue Demon, Jr. | 1 | 000000001989-09-01-0000September 1989 | 7000100000000000000♠1 ![Note 7] | 0 ![Note 3] | Live event |  |  | 
| 6 | Fuerza Guerrera | 06 !6 | 0 ![Note 5] | 7000100000000000000♠1 ![Note 8] | 0 ![Note 3] | Live event |  |  | 
| 7 | Hijo del Santo, ElEl Hijo del Santo | 1 | 000000001990-06-07-0000June 7, 1990 | 7002512000000000000♠512 ![Note 9] | Tokyo, Japan | Live event |  |  | 
| 07.5 !— | Vacated | — | 000000001991-11-01-0000November 1991 | — | — !N/A | — !N/A | Championship vacated for unknown reasons |  | 
| 7.6 ! |  |  |  |  |  |  |  |  | 
| 8 | Guerrero, EddieEddie Guerrero | 1 | 000000001992-01-01-00001992 | 2997819000000000000♠−181 ![Note 10] | 0 ![Note 3] | Live event |  |  | 
| 9 | Piloto Suicida | 1 | 000000001992-08-29-0000August 29, 1992 | 7000900000000000000♠9 | Los Angeles, California | Live event |  |  | 
| 10 | Espanto, Jr. | 1 | 000000001992-09-07-0000September 7, 1992 | 7002193000000000000♠193 | Querétaro, Mexico | Live event |  |  | 
| 11 | Hijo del Santo, ElEl Hijo del Santo | 2 | 000000001993-03-19-0000March 19, 1993 | 7001560000000000000♠56 | Tijuana, Mexico | Live event |  |  | 
| 12 | Heavy !Heavy Metal | 1 | 000000001993-05-14-0000May 14, 1993 | 7000100000000000000♠1 ![Note 11] | Mexico City, Mexico | Live event |  |  | 
| 13 | Hijo del Santo, ElEl Hijo del Santo | 3 | 000000001993-06-01-0000June 1993 !000000001993-01-01-00001993 | 7001470000000000000♠47 ![Note 12] | 0 ![Note 3] | Live event |  |  | 
| 14 | Psicosis | 1 | 000000001994-02-16-0000February 16, 1994 | 7002583000000000000♠583 | Aguascalientes, Mexico | Live event |  |  | 
| 15 | Rey Misterio, Jr. | 1 | 000000001995-09-22-0000September 22, 1995 | 7000600000000000000♠6 | Mexico City, Mexico | Live event |  |  | 
| 16 | Psicosis | 2 | 000000001995-09-28-0000September 28, 1995 | 7000100000000000000♠1 | Mexicali, Mexico | Live event |  |  | 
| 17 | Rey Misterio, Jr. | 2 | 000000001995-09-29-0000September 29, 1995 | 7002212000000000000♠212 | Tijuana, Mexico | Live event |  | 
| 18 | Juventud Guerrera | 1 | 000000001996-04-28-0000April 28, 1996 | 7001830000000000000♠83 | Querétaro, Mexico | Live event |  |  | 
| 19 | Rey Misterio, Jr. | 3 | 000000001996-07-20-0000July 20, 1996 | 7002216000000000000♠216 | Tokyo, Japan | Live event |  |  | 
| 20 | Hijo del Santo, ElEl Hijo del Santo | 4 | 000000001997-02-21-0000February 21, 1997 | 7002133000000000000♠133 | Tijuana, Mexico | Live event |  |  | 
| 21 | Felino, ElEl Felino | 1 | 000000001997-07-04-0000July 4, 1997 | 7001960000000000000♠96 | Mexico City, Mexico | Live event |  |  | 
| 22 | Hijo del Santo, ElEl Hijo del Santo | 5 | 000000001997-10-08-0000October 8, 1997 | 7002115000000000000♠115 | Leon, Mexico | Live event |  |  | 
| 23 | Felino, ElEl Felino | 1 | 000000001998-01-31-0000January 31, 1998 | 7001360000000000000♠36 | Mexico City, Mexico | Live event |  |  | 
 
| 23.5 !— | Vacated | — | 000000001998-03-08-0000March 8, 1998 | — | — !N/A | — !N/A | Championship held up after inconclusive match between El Hijo del Santo and El Felino |  | 
| 24 | Hijo del Santo, ElEl Hijo del Santo | 6 | 000000001998-07-13-0000July 13, 1998 | 0 !¤ | Puebla, Puebla, Mexico | Live event | Defeated Felino in rematch. |  | 
|  |  |  |  |  |  |  |  |  | 
| 25 | Blue Panther | 1 | 000000002000-04-09-0000April 9, 2000 | 7001530000000000000♠53 ![Note 13] | Monterrey, Mexico | Live event |  | [3][4] | 
| 26 | Hijo del Santo, ElEl Hijo del Santo | 7 | 000000002000-06-01-0000June 2000 | 7002146000000000000♠146 ![Note 14] | 0 ![Note 3] | Live event |  | [3][4] | 
| 27 | Hijo del Diablo, ElEl Hijo del Diablo | 1 | 000000002000-11-23-0000November 23, 2000 | 7002707000000000000♠707 | Iguala, Mexico | Live event |  | [3] | 
| 28 | Hijo del Santo, ElEl Hijo del Santo | 8 | 000000002002-10-31-0000October 31, 2002 | 7002817000000000000♠817 | San Luis Potosí, Mexico | Live event |  | [5] | 
| 29 | Cobarde, ElEl Cobarde | 1 | 000000002005-01-25-0000January 25, 2005 | 7002227000000000000♠227 | Juarez, Mexico | Live event |  | [6] | 
| 30 | Hijo del Santo, ElEl Hijo del Santo | 9 | 000000002005-09-09-0000September 9, 2005 | style="background: #ccffcc;" | Ciudad Juarez, Mexico | Live event |  | [6] | 
|  |  |  |  |  |  |  |  |  | 
| 31 | Blue Demon, Jr. | 2 | 000000002008-07-02-0000July 2, 2008 | 7000300000000000000♠3 | Valencia, Spain | Live event |  | [7] | 
| 32 | Hijo del Santo, ElEl Hijo del Santo | 10 | 000000002008-07-05-0000July 5, 2008 | 7003125800000000000♠1,258 | London, England | Live event |  | [7] | 
 
| 32.5 !— | Vacated | — | 0 !Unknown | — | — !N/A | — !N/A | Championship vacated for undocumented reasons. |  | 
| 33 | El Hijo de Rey Misterio II | 1 | 000000002011-05-27-0000May 27, 2011 | 7003168000000000000♠1,680+ | Mexico City, Mexico | Live event |  |  |