Tous les combattants
 | Simon Biyong | 3-4-0 REC | #666 |  |
 | Simon Bruknar | 0-1-0 REC | #6059 |  |
 | Simone D'Anna | 2-3-0 REC | #2713 |  |
 | Simone Manno | 0-1-0 REC | #7207 | |
 | Simone Patrizi | 2-5-0 REC | #2978 | |
 | Sina Karimian | 1-0-0 REC | #3053 |  |
 | Sina Ramezanzadeh | 0-1-0 REC | #6473 | |
 | Sinead Kavanagh | 1-2-0 REC | #4460 |  |
 | Sineadh Nolan | 0-2-0 REC | #6872 | |
 | Sione Latu | 1-0-0 UFC | #4916 |  |
 | Sirwan Kakai | 1-1-0 UFC | #5047 |  |
 | Sitik Muduev | #7832 |  | |
 | Siyar Bahadurzada | 4-4-0 UFC | #2421 |  |
 | Slim Trabelsi | 5-1-0 REC | #1955 |  |
 | Slimen Hassaini | 0-1-0 REC | #6121 |  |
 | Smealinho Rama | 1-3-1 REC | #4954 |  |
 | So Yul Kim | #7105 |  | |
 | Soa Palelei | 4-3-0 UFC | #2559 |  |
 | Socrates Hernandez | 0-1-0 REC | #6363 | |
 | Sodiq Yusuff | 6-4-0 UFC | #1111 |  |
 | Sofia Montenegro | 0-1-0 REC | #3500 |  |
 | Sofiane Aissaoui | 0-1-0 REC | #4735 |  |
 | Sofiane Boukichou | 1-5-0 REC | #2580 |  |
 | Sofiane El Fatni | 2-1-0 REC | #475 | |
 | Sofiia Bagishvili | 1-3-0 REC | #3792 |  |