Light Flyweight
| Name | Reign period | No. of successful defenses |
| Franco Udella | April 4, 1975 – August, 1975 (stripped) | 1 |
| Luis Estaba def. Rafael Lovera |
September 13, 1975 – February 19, 1978 | 11 |
| Freddy Castillo | February 19, 1978 – May 6, 1978 | 0 |
| Netrnoi Sor Vorasingh | May 6, 1978 – September 30, 1978 | 1 |
| Kim Sung-Jun | September 30, 1978 – January 3, 1980 | 3 |
| Shigeo Nakajima | January 3, 1980 – March 24, 1980 | 0 |
| Hilario Zapata | March 24, 1980 – February 6, 1982 | 8 |
| Amado Ursua | February 6, 1982 – April 13, 1982 | 0 |
| Tadashi Tomori | April 13, 1982 – July 20, 1982 | 0 |
| Hilario Zapata | July 20, 1982 – March 26, 1983 | 2 |
| Chang Jung-Koo | March 26, 1983 – 1988 (retired) | 15 |
| Germán Torres def. Kang Soon-Jung |
December 11, 1988 – March 19, 1989 | 0 |
| Lee Yul-Woo | March 19, 1989 – June 25, 1989 | 0 |
| Humberto González | June 25, 1989 – December 19, 1990 | 5 |
| Rolando Pascua | December 19, 1990 – March 25, 1991 | 0 |
| Melchor Cob Castro | March 25, 1991 – June 3, 1991 | 0 |
| Humberto González | June 3, 1991 – March 13, 1993 | 4 |
| Michael Carbajal | March 13, 1993 – February 19, 1994 | 2 |
| Humberto González | February 19, 1994 – July 15, 1995 | 3 |
| Saman Sorjaturong | July 15, 1995 – October 17, 1999 | 10 |
| Choi Yo-Sam | October 17, 1999 – July 6, 2002 | 3 |
| Jorge Arce | July 6, 2002 – December 18, 2004 (vacated) | 7 |
| Eric Ortiz def. José Antonio Aguirre |
March 11, 2005 – September 10, 2005 | 0 |
| Brian Viloria | September 10, 2005 – August 10, 2006 | 1 |
| Omar Niño Romero | August 10, 2006 – February 2, 2007 (stripped) | 1 |
| Edgar Sosa def. Brian Viloria |
April 14, 2007 – November 21, 2009 | 10 |
| Rodel Mayol | November 21, 2009 – June 19, 2010 | 1 |
| Omar Niño Romero | June 19, 2010 – November 6, 2010 | 0 |
| Gilberto Keb Baas | November 6, 2010 – April 30, 2011 | 1 |
| Adrián Hernández | April 30, 2011 – December 23, 2011 | 1 |
| Kompayak Porpramook | December 23, 2011 – October 6, 2012 | 1 |
| Adrián Hernández | October 6, 2012 – present |
Read more about this topic: List Of WBC World Champions
Famous quotes containing the word light:
“What is lawful is not binding only on some and not binding on others. Lawfulness extends everywhere, through the wide-ruling air and the boundless light of the sky.”
—Empedocles 484–424 B.C., Greek philosopher. The Presocratics, p. 142, ed. Philip Wheelwright, The Bobbs-Merrill Co., Inc. (1960)