Poids Mi-Lourds Hommes
 | Junior Tafa | 3-5-0 UFC | #215 |  |
 | Justin Jones | 0-2-0 UFC | #4879 |  |
 | Justin Ledet | 3-4-0 UFC | #3023 | |
 | Justin Sumter | 0-3-0 REC | #3982 | |
 | Kacper Sochacki | 1-0-0 REC | #1153 |  |
 | Kalib Starnes | 2-3-0 UFC | #3425 |  |
 | Kaloyan Kolev | 0-1-0 REC | #5362 |  |
 | Kamil Saidov | 1-0-0 REC | #1941 |  |
 | Karl Albrektsson | 0-4-0 REC | #3381 |  |
 | Karl Moore | 3-2-0 REC | #3380 |  |
 | Karl Reed | 0-2-0 REC | #5999 | |
 | Karlos Vemola | 2-4-0 UFC | #435 |  |
 | Kassoum Kone | 1-0-0 REC | #1812 |  |
 | Kazuo Takahashi | 1-0-0 UFC | #5108 |  |
 | Keith Berish | 0-1-0, 1NC UFC | #4634 | |
 | Keith Hackney | 2-2-0 UFC | #2896 | |
 | Keith Mielke | 0-1-0 UFC | #6214 | |
 | Kenneth Bergh | #7339 |  | |
 | Kevin Christian | 0-2-0 UFC | #2054 |  |
 | Kevin Jackson | 2-2-0 UFC | #3172 | |