Lightweight (Super Belt: Roberto Duran)
| No. | Name | Duration of reign | Defenses |
|---|---|---|---|
| 1 | Benny Leonard | May 18, 19171 — January 15, 1925r | 9 |
| 2 | Jimmy Goodrich | July 13, 1925 — December 7, 1925 | 0 |
| 3 | Rocky Kansas | December 7, 1925 — July 3, 1926 | 1 |
| 4 | Sammy Mandel | July 3, 1926 — July 17, 1930 | 4 |
| 5 | Al Singer | July 17, 1930 — November 14, 1930 | 0 |
| 6 | Tony Canzoneri | November 14, 1930 — June 23, 1933 | 4 |
| 7 | Barney Ross | June 23, 1933 — April 9, 1935r | 1 |
| 8 | Tony Canzoneri (2) | May 10, 1935 — September 3, 1936 | 1 |
| 9 | Lou Ambers | September 3, 1936 — August 17, 1938 | 2 |
| 10 | Henry Armstrong | August 17, 1938 — August 22, 1939 | 1 |
| 11 | Lou Ambers (2) | August 22, 1939 — May 10, 1940 | 0 |
| 12 | Lew Jenkins | May 10, 1940 — December 19, 1941 | 1 |
| 13 | Sammy Angott | December 19, 1941 — November 13, 1942r | 1 |
| 14 | Beau Jack | November 19, 1943 — March 3, 1944r | 0 |
| 15 | Juan Zurita | March 8, 1944 — April 18, 1945 | 0 |
| 16 | Ike Williams | April 18, 1945 — May 25, 1951 | 7 |
| 17 | Jimmy Carter | May 25, 1951 — April 1, 1952 | 2 |
| 18 | Lauro Salas | April 1, 1952 — October 15, 1952 | 1 |
| 19 | Jimmy Carter (2) | October 15, 1952 — March 5, 1954 | 3 |
| 20 | Paddy DeMarco | March 5, 1954 — November 17, 1954 | 0 |
| 21 | Jimmy Carter (3) | November 17, 1954 — June 29, 1955 | 0 |
| 22 | Wallace Smith | June 29, 1955 — August 24, 1956 | 1 |
| 23 | Joe Brown | August 24, 1956 — April 21, 1962 | 10 |
| 24 | Carlos Ortiz | April 21, 1962 — April 10, 1965 | 4 |
| 25 | Ismael Laguna | April 10, 1965 — November 13, 1965 | 0 |
| 26 | Carlos Ortiz (2) | November 13, 1965 — June 29, 1968 | 5 |
| 27 | Carlos Teo Cruz | June 29, 1968 — February 18, 1969 | 1 |
| 28 | Mando Ramos | February 18, 1969 — March 3, 1970 | 1 |
| 29 | Ismael Laguna (2) | March 3, 1970 — September 26, 1970 | 1 |
| 30 | Ken Buchanan | September 26, 1970 — June 26, 1972 | 2 |
| 31 | Roberto Durán | June 26, 1972 — January 1979r | 12 |
| 32 | Ernesto España | June 16, 1979 — March 2, 1980 | 1 |
| 33 | Hilmer Kenty | March 2, 1980 — April 12, 1981 | 3 |
| 34 | Sean O'Grady | April 12, 1981 — 1981r | 0 |
| 35 | Claude Noel | September 12, 1981 — December 5, 1981 | 0 |
| 36 | Arturo Frias | December 5, 1981 — May 8, 1982 | 1 |
| 37 | Ray Mancini | May 8, 1982 — June 1, 1984 | 4 |
| 38 | Livingstone Bramble | June 1, 1984 — September 26, 1986 | 2 |
| 39 | Edwin Rosario | September 26, 1986 — November 21, 1987 | 1 |
| 40 | Julio César Chávez | November 21, 1987 — 1989r | 2 |
| 41 | Edwin Rosario (2) | July 9, 1989 — May 4, 1990 | 0 |
| 42 | Juan Nazario | May 4, 1990 — August 11, 1990 | 0 |
| 43 | Pernell Whitaker | August 11, 1990 — 1992r | 3 |
| 44 | Joey Gamache | June 13, 1992 — October 24, 1992 | 0 |
| 45 | Tony Lopez | October 24, 1992 — June 26, 1993 | 1 |
| 46 | Dingaan Thobela | June 26, 1993 — October 30, 1993 | 0 |
| 47 | Orzubek Nazarov | October 30, 1993 — May 16, 1998 | 6 |
| 48 | Jean Baptiste Mendy | May 16, 1998 — April 10, 1999 | 1 |
| 49 | Julien Lorcy | April 10, 1999 — August 7, 1999 | 0 |
| 50 | Stefano Zoff | August 7, 1999 — November 13, 1999 | 0 |
| 51 | Gilberto Serrano | November 13, 1999 — June 11, 2000 | 1 |
| 52 | Takanori Hatakeyama | June 11, 2000 — July 1, 2001 | 2 |
| 53 | Julien Lorcy (2) | July 1, 2001 — October 18, 2001 | 0 |
| 54 | Raul Horacio Balbi | October 18, 2001 — January 5, 2002 | 0 |
| 55 | Leonard Doroftei | January 5, 2002 — 2004r | 2 |
| 56 | Lakva Sim | April 10, 2004 — July 17, 2004 | 0 |
| 57 | Juan Díaz – Super Champion | July 17, 2004 — March 8, 2008 | 7 |
| 58 | Jose Alfaro – Regular Champion | December 29, 2007 — May 19, 2008 | 0 |
| 59 | Nate Campbell – Super Champion | March 8, 2008 — January 10, 2009r | 0 |
| 60 | Yusuke Kobori – Regular Champion | May 19, 2008 — January 3, 2009 | 0 |
| 61 | Paulus Moses – Regular Champion | January 3, 2009 — May 29, 2010 | 1 |
| 62 | Juan Manuel Márquez – Super Champion | February 28, 2009 — January 8, 2012s | 2 |
| 63 | Miguel Acosta – Regular Champion | May 29, 2010 — February 26, 2011 | 1 |
| 64 | Brandon Rios – Regular Champion | February 26, 2011 — December 2, 2011s | 1 |
| 65 | Robert Guerrero – Interim Champion | April 9, 2011 — May 3, 2012s | 0 |
| 65 | Richard Abril – Interim Champion | May 3, 2012 — present | 0 |
Read more about this topic: List Of WBA World Champions