Poids Mouches Hommes
 | Kevin Fernandez | 4-0-0 REC | #1423 |  |
 | Keynan Davis | 1-2-0 REC | #5375 | |
 | Khamzat Ilyasov | 1-1-0 REC | #3107 |  |
 | Khavid Dakaev | 3-0-0 REC | #339 | |
 | King Rikuto | #7947 |  | |
 | Kiru Sahota | 0-1-0 UFC | #3015 |  |
 | Kleberson Sousa | 0-1-0 REC | #6828 |  |
 | Kue Htoo | 1-0-0 REC | #8123 | |
 | Kurban Khatataev | 1-0-0 REC | #2204 | |
 | Kyle Estrada | 0-2-0 REC | #4240 | |
 | Kyohei Takagi | 2-0-0 REC | #484 | |
 | Kyoji Horiguchi | 9-2-0 UFC | #151 | |
 | Leonardo de Oliveira | 0-4-0 REC | #3423 | |
 | Leopold Goi | 0-3-0 REC | #1667 |  |
 | Lincon Santos | 3-1-0 REC | #1689 | |
 | Liridon Ramani | 0-2-0 REC | #7073 |  |
 | Livio Ribeiro | 4-0-0 REC | #1412 | |
 | Lone'er Kavanagh | 3-2-0 UFC | #128 | |
 | Lorenzo Navarro | 1-0-0 REC | #6558 | |
 | Louis Gaudinot | 1-3-0, 1NC UFC | #3493 | |