| Fighter | Record | Last Bout |
|---|---|---|
| Bruno Lopes | 14-4-0 | 2026-08-08 |
| Bruno Santos | 15-2-0 | 2014-10-04 |
| Bruno Silva | 23-13-0 | 2025-05-10 |
| Bruno Silva | 15-9-2 (1 NC) | 2026-06-06 |
| Bruno Souza | 10-3-0 | 2022-03-26 |
| Bryan Barberena | 18-12-0 | 2024-03-16 |
| Bryan Battle | 13-2-0 (1 NC) | 2024-12-07 |
| Bryan Caraway | 21-9-0 | 2018-11-30 |
| Bryce Mitchell | 19-4-0 | 2026-06-06 |
| Bubba Bush | 8-3-0 (1 NC) | 2015-10-24 |
| Buddy Roberts | 12-3-0 | 2012-08-11 |
| Byron Bloodworth | 6-3-0 | 2012-12-29 |
| Cain Carrizosa | 10-3-0 | 2015-03-21 |
| Cain Velasquez | 14-3-0 | 2019-02-17 |
| Caio Borralho | 18-2-0 (1 NC) | 2026-03-07 |
| Caio Machado | 8-4-1 | 2024-11-02 |
| Caio Magalhaes | 10-3-0 | 2016-09-10 |
| Cal Worsham | 13-10-0 | 1996-12-07 |
| Cale Yarbrough | 8-3-0 | 2008-07-19 |
| Callan Potter | 18-9-0 | 2020-02-22 |
| Calvin Kattar | 23-10-0 | 2025-07-12 |
| Cam Nelson | 8-1-0 | 2026-08-29 |
| Cam Rowston | 15-3-0 | 2026-10-24 |
| Cameron Dollar | 11-5-0 | 2009-06-20 |
| Cameron Else | 10-6-0 | 2022-04-23 |
| Cameron Saaiman | 9-3-0 | 2025-04-26 |
| Cameron Smotherman | 12-7-0 | 2026-05-30 |
| Cameron VanCamp | 15-7-1 (1 NC) | 2022-09-17 |
| Caol Uno | 33-19-5 | 2010-03-31 |
| Caolan Loughran | 10-2-0 | 2025-03-22 |
| Carl Deaton | 17-7-0 (2 NC) | 2023-07-15 |
| Carla Esparza | 20-8-0 | 2024-10-05 |
| Carli Judice | 7-2-0 | 2026-08-22 |
| Carlo Pedersoli Jr. | 11-3-0 | 2019-02-23 |
| Carlo Prater | 31-18-1 | 2012-10-05 |
| Carlos Barreto | 14-9-0 | 1997-10-17 |
| Carlos Candelario | 8-3-0 | 2022-11-05 |
| Carlos Condit | 32-14-0 | 2021-07-10 |
| Carlos Eduardo Rocha | 9-4-0 | 2012-06-08 |
| Carlos Felipe | 11-2-0 | 2021-10-16 |
| Carlos Hernandez | 10-5-0 | 2025-05-17 |
| Carlos Huachin | 10-5-1 | 2019-09-21 |
| Carlos Leal | 23-7-0 | 2026-02-21 |
| Carlos Mota | 8-2-0 | 2022-10-29 |
| Carlos Newton | 16-14-0 | 2004-01-31 |
| Carlos Prates | 24-7-0 | 2026-05-02 |
| Carlos Ulberg | 15-1-0 | 2026-04-11 |
| Carlos Vera | 12-4-0 | 2025-03-15 |
| Carls John De Tomas | 6-2-0 | 2017-12-09 |
| Carlston Harris | 19-8-0 | 2026-05-30 |