Poids Mouches Femmes
 | Jade Masson-Wong | 0-1-0 REC | #4014 |  |
 | Jady Menezes | 2-0-0 REC | #3091 |  |
 | Jaimee Nievera | 0-1-0 REC | #5502 |  |
 | Jamey-Lyn Horth | 4-3-0 UFC | #1163 | |
 | Janaisa Morandin | 0-2-0 REC | #4969 | |
 | Jasmine Jasudavicius | 9-3-0 UFC | #128 | |
 | Jeisla Chaves | 1-0-0 UFC | #990 | |
 | Jena Bishop | 7-3-0 REC | #249 | |
 | Jenethzareth McTurk | 0-1-0 REC | #5640 |  |
 | Jennifer Gonzalez Araneda | #7704 |  | |
 | Jennifer Maia | 6-6-0 UFC | #1119 | |
 | Jenny Line | 0-1-0 REC | #5724 |  |
 | Jessica Cunha | 0-1-0 REC | #7760 | |
 | Jessica Eye | 5-10-0, 1NC UFC | #1672 | |
 | Jessica Oliveira | 0-1-0 REC | #5739 | |
 | Ji Yeon Kim | 3-7-0 UFC | #2476 |  |
 | JJ Aldrich | 11-6-0 UFC | #375 | |
 | Joanne Wood | 9-8-0 UFC | #1108 |  |
 | Josee Storts | 1-0-0 REC | #6886 | |
 | Josiane Oliveira | 0-1-0 REC | #7173 | |