Bantamweight
| Number | Champion | Reign |
|---|---|---|
| 1 | Al Brown | 1933 - |
| 2 | Baltazar Sangchili | 1935 - |
| 3 | Sixto Escobar | 1937 - September 23, 1937 |
| 4 | Harry Jeffra | September 23, 1937 - February 20, 1938 |
| 5 | Sixto Escobar | February 20, 1938 - October 4, 1939 (Vacated) |
| 6 | Lou Salica (beat Tommy Forte) | January 13, 1941 - August 7, 1942 |
| 7 | Manuel Ortiz | August 7, 1942 - January 6, 1947 |
| 8 | Harold Dade | January 6, 1947 - March 11, 1947 |
| 9 | Manuel Ortiz | March 11, 1947 - May 31, 1950 |
| 10 | Vic Toweel | May 31, 1950 - November 15, 1952 |
| 11 | Jimmy Carruthers | November 15, 1952 - May 16, 1954 (Retired) |
| 12 | Robert Cohen (beat Chamrern Songkitrat) | September 19, 1954 - June 29, 1956 |
| 13 | Mario D'Agata | June 29, 1956 - April 1, 1957 |
| 14 | Alphonse Halimi | April 1, 1957 - July 8, 1959 |
| 15 | Jose Becerra | July 8, 1959 - August 30, 1960 (Retired) |
| 16 | Eder Jofre (beat Piero Rollo) | March 25, 1961 - May 17, 1965 |
| 17 | Fighting Harada | May 17, 1965 - February 26, 1968 |
| 18 | Lionel Rose | February 26, 1968 - August 22, 1969 |
| 19 | Rubén Olivares | August 22, 1969 - October 16, 1970 |
| 20 | Chucho Castillo | October 16, 1970 - April 2, 1971 |
| 21 | Rubén Olivares | April 2, 1971 - March 19, 1972 |
| 22 | Rafael Herrera | March 19, 1972 - July 30, 1972 |
| 23 | Enrique Pinder | July 30, 1972 - January 30, 1973 |
| 24 | Romeo Anaya | January 20, 1973 - November 3, 1973 |
| 25 | Arnold Taylor | November 3, 1973 - July 3, 1974 |
| 26 | Soo Hwan Hong | July 3, 1974 - March 14, 1975 |
| 27 | Alfonso Zamora | March 14, 1975 - November 19, 1977 |
| 28 | Jorge Luján | November 19, 1977 - August 29, 1980 |
| 29 | Julian Solís | August 29, 1980 - November 14, 1980 |
| 30 | Jeff Chandler | November 14, 1980 - April 7, 1984 |
| 31 | Richie Sandoval | April 7, 1984 - March 10, 1986 |
| 32 | Gaby Canizales | March 10, 1986 - June 4, 1986 |
| 33 | Bernardo Pinango | June 4, 1986 - March 1987 (moved up to Junior Featherweight) |
Read more about this topic: List Of The Ring World Champions