Poids Mouches Hommes
 | Kevin Borjas | 1-4-0 UFC | #1293 |  |
 | Kevin Fernandez | 3-0-0 REC | #3394 |  |
 | Keynan Davis | 1-2-0 REC | #4712 | |
 | Khamzat Ilyasov | 1-1-0 REC | #2203 |  |
 | Khavid Dakaev | 2-0-0 REC | #945 | |
 | Kholmurod Nurmatov | 1-3-0 REC | #1527 |  |
 | King Rikuto | #7285 |  | |
 | Kiru Sahota | 0-1-0 UFC | #3090 |  |
 | Kleberson Sousa | 0-1-0 REC | #6156 |  |
 | Kurban Khatataev | 1-0-0 REC | #1041 | |
 | Kyle Estrada | 0-1-0 REC | #5568 | |
 | Kyohei Takagi | #7479 | | |
 | Kyoji Horiguchi | 9-1-0 UFC | #56 | |
 | Leonardo de Oliveira | 0-2-0 REC | #6136 | |
 | Leopold Goi | 0-3-0 REC | #505 |  |
 | Lincon Santos | 2-1-0 REC | #3915 | |
 | Liridon Ramani | 0-1-0 REC | #7372 |  |
 | Livio Ribeiro | 3-0-0 REC | #1176 | |
 | Lone'er Kavanagh | 3-1-0 UFC | #88 | |
 | Louis Gaudinot | 1-3-0, 1NC UFC | #3242 | |