Poids Mouches Hommes
 | Kiru Sahota | 0-1-0 UFC | #2994 |  |
 | Kleberson Sousa | 0-1-0 REC | #6813 |  |
 | Kue Htoo | #8110 |  | |
 | Kurban Khatataev | 1-0-0 REC | #2036 |  |
 | Kyle Estrada | 0-2-0 REC | #4103 | |
 | Kyohei Takagi | 2-0-0 REC | #253 |  |
 | Kyoji Horiguchi | 9-2-0 UFC | #81 | |
 | Leonardo de Oliveira | 0-4-0 REC | #3371 | |
 | Leopold Goi | 0-3-0 REC | #1483 |  |
 | Lincon Santos | 3-1-0 REC | #1553 | |
 | Liridon Ramani | 0-2-0 REC | #7449 |  |
 | Livio Ribeiro | 4-0-0 REC | #1215 | |
 | Lone'er Kavanagh | 3-2-0 UFC | #111 | |
 | Lorenzo Navarro | 1-0-0 REC | #6980 | |
 | Louis Gaudinot | 1-3-0, 1NC UFC | #3434 | |
 | Louis Smolka | 8-9-0 UFC | #1366 | |
 | Lucas Farias | 0-1-0 REC | #6250 | |
 | Lucas Gouveia | 1-1-0 REC | #2545 | |
 | Lucas Rocha | 1-1-0 UFC | #2017 | |
 | Luis Aguiar | 0-1-0 REC | #5781 | |