Tous les combattants
 | Simeon Powell | 9-2-0 REC | #276 |  |
 | Simeon Thoresen | 1-2-0 UFC | #4450 |  |
 | Simon Biyong | 3-4-0 REC | #1007 |  |
 | Simon Bruknar | 0-1-0 REC | #6223 |  |
 | Simone Ali | #8193 |  | |
 | Simone D'Anna | 2-3-0 REC | #2806 | |
 | Simone Manno | 0-1-0 REC | #7279 | |
 | Simone Patrizi | 2-5-0 REC | #3095 | |
 | Sina Karimian | 1-0-0 REC | #3208 |  |
 | Sina Ramezanzadeh | 0-1-0 REC | #6556 | |
 | Sinead Kavanagh | 1-2-0 REC | #4557 |  |
 | Sineadh Nolan | 0-2-0 REC | #6906 | |
 | Sione Latu | 1-0-0 UFC | #5080 |  |
 | Sirwan Kakai | 1-1-0 UFC | #5154 |  |
 | Sitik Muduev | #7983 |  | |
 | Siyar Bahadurzada | 4-4-0 UFC | #2419 |  |
 | Slim Trabelsi | 5-1-0 REC | #2012 |  |
 | Slimen Hassaini | 0-1-0 REC | #5998 |  |
 | Smealinho Rama | 1-3-1 REC | #4922 |  |
 | So Yul Kim | #7349 |  | |
 | Soa Palelei | 4-3-0 UFC | #2589 |  |
 | Socrates Hernandez | 0-1-0 REC | #6393 | |
 | Sodiq Yusuff | 6-4-0 UFC | #1109 |  |
 | Sofia Montenegro | 0-1-0 REC | #2787 |  |
 | Sofiane Aissaoui | 0-1-0 REC | #4789 |  |