Following the name of the champion(s): Indicates the number of times the competitor has held that title at that point.
[...]
Indicates a gap in the listing where title changes are not known.
<
Title was held or changed hands no later than this. In these cases, it is known that a competitor held the title at a certain time but not when he/she won it.
@
Order uncertain. Different titleholders may be known for the same year, for example, but it is not known who held the title before whom.
#
Unofficial or disputable claims. These are usually matches that certainly took place, but where there is doubt that the competitor shown should be recognized as a true title holder. These listings are also italicized.
Women's International Boxing Association
World Welterweight Title (as of 2021-11-03)
* Bolded letters in the competitor's name, if any, indicate the surname/family name.
Mary Jo Sanders
2006-02-03
Detroit, MI, USA
Defeats Iva Weston to become the first WIBA and WBC world champion; moves up the weight class and wins the super welterweight title on 06-06-03.
Holly Holm
2007-03-22
Albuquerque, NM, USA
Defeats Ann Saccurato to win WIBA, WBC, and IFBA world titles; also holds WBA World Title; also awarded the light welterweight title in 10-01 and is recognized as the super world champion; vacates the welterweight title in 10-03.
Jessica Balogun
2010-11-20
Aachen, NW, GER
Defeats Loli Muñoz; vacant in 11-04.
Anne Sophie Mathis
2011-06-23
Les Pennes-Mirabeau, Bouches-du-Rhône, FRA
Defeats Olivia Belkacem and also wins WBF World Title; also wins WIBF World Title on 11-10-01; also wins IBA World Title on 11-12-02 and is recognized as WIBA Super World Champion; stripped of the title on 12-06-15 upon losing IBA and WBF world titles.
Tori Nelson
2013-09-13
Lincoln, RI, USA
Defeats Aleksandra Magdziak Lopes; moves up the weight class and wins WIBA and UBF world super welterweight titles on 16-12-10.
Katelynn Phelan
2020-10-17
Donauwoerth, BY, GER
Defeats Jessica Schadko to win WIBA and WBF world titles and WBC youth title.